Articles (824)
| Title | Author(s) | Publication | Date |
|---|---|---|---|
| (1000) 232 = 2050 Converting the TS 2050 to work as a RTTY modem. | QZX | March 1988 | |
| 1000 One Chip Mod: A Built-in NVM This battery backed-up RAM is a miniaturization and functional equivalent of the famous “Hunter” board. It was designed by Mr.... | SyncWare News | Sept-Oct 1986 | |
| 12 Volt Modification Reprinted from Jan/Feb 1990 ISTUG newsletter. | ZX-Appeal | Summer 1990 | |
| 12 Volt Modification | CATS Newsletter | November 1993 | |
| 12 Volt Modification Replace the 78L12 voltage regulator with a larger capacity model for better power regulation and improved video. | ISTUG Newsletter | January - February 1990 | |
| 12 Volt Modification | LISTing Newsletter | January 1994 | |
| 16K – Fitting it “Under the Hood” | LISTing Newsletter | November 1987 | |
| 16K RAM Inside the ZX81 This article is adapted from one written by John Bell which appeared in the November 1987 issue of L.I.S.T. It... | John Bell | QZX | June 1990 |
| 192K ZX/TS Laptop Reprint from ZX-Appeal. | Sinclair Timex User Group Newsletter | September - October 1989 | |
| 2068 & Spectrum Customized ROMs Short article on author’s customized ROMs and brief description of how to create one’s own. | Sinc-Link | March/April 1986 | |
| 2068 Cassette Connection, Part II Hints and schematics for improving loading. | ZX-Appeal | September 1988 | |
| 2068 Cassette Connection, Part II | LISTing Newsletter | October 1990 | |
| 2068 Cassette Connection: Part II: Loading Tips In the last Issue, I recommended removal of a couple capacitors in the SAVE circuitry of the TS2068. This provides... | SyncWare News | May-Jun 1985 | |
| 2068 Colour Adjustments Short program to print color bars and instructions for adjusting the color output. | Sinc-Link | January/February 1987 | |
| 2068 Digitizer Adapts an idea by Forrest Mims to digize images using a plotter and photo transistor. | The RAMTOP | November - December 1986 | |
| 2068 Fix Star NX-1000/Aerco Centronics I/F Fix | The Hacker | March 1990 | |
| 2068 Fix Star NX-1000/AERCO Centronics I/F Fix Fix to accommodate STROBE line requirement of Star NX-1000 printer. | SWYM | May 1990 | |
| 2068 Fix Star NX-1000/AERCO Centronics I/F Fix Fix to accommodate STROBE line requirement of Star NX-1000 printer. | SWYM | July 1990 | |
| 2068 LOAD Notes | LISTing Newsletter | October 1990 | |
| 2068 Power Supply – Make It Cooler & Quieter I have discovered that programs SAVED to cassette tapes from the TS-2068 can have a very high Noise/Scratch background level... | SUM | January 1986 | |
| 2068 Power Supply Problem? From my own personal experience and information gleaned from articles, it is clear that the method of powering the 2068... | Update Magazine | January 1989 | |
| 2068 Power Supply Project | CATS Newsletter | November 1987 | |
| 2068 Power Supply: Make It Cooler & Quieter | ZX-Appeal | June 1987 | |
| 2068 Power Supply: Make It Cooler & Quieter | LISTing Newsletter | October 1990 | |
| 2068 Power Supply: Make It Cooler & Quieter | SLUG Newsletter | July 1987 | |
| 2068 Power Supply: Make It Cooler & Quieter I have discovered that programs SAVE’d to cassette tapes from the TS-2068 can have a very high noise/scratch background level... | James Dowell | Timex Sinclair Users Group Mile High Chapter Newsletter | Aug 1987 |
| 2068 Printer Interface and ROM Card This month I finish up my series on the printer interface with the circuit board layout and simple print driver... | Joseph Williamson | SUM | March 1985 |
| 2068 Printer Interface and ROM Card This month I finish up my series on the printer interface with the circuit board layout and simple print driver... | SUM | ||
| 2068 ROM Bypass Board Schematic, Revised Revised and accurate schematic for William Pedersen’s ROM bypass board. | Update Magazine | January 1995 | |
| 24 Line I/O The circuit given on the following page is for an add-on board that will plug into the ZX81’s rear connector... | QZX | August 1992 | |
| 24K Internal Non-Volatile Memory | CATS Newsletter | Juny 1988 | |
| 24K NVM Inside | ZX-Appeal | April 1988 | |
| 2K Conversion with 6116s ZX81 will accept two 2114 RAM chips or one 6116 RAM, for total of 2K. | Syntax | May 1982 | |
| 2K to 4K RAM Upgrade – An Introduction to ZX/TS Hardware | SYNC | July/August 1983 | |
| 2K-SDP: A Serial Data Port A system which allows transfer of data between ZX/TS and ТS2068 computers and cassette tape operations in TS2068 format. | Kent Cook | SyncWare News | September/October 1987 |
| 32K NVM System Revisited | ZX-Appeal | Summer 1988 | |
| 32K RAM 32K RAM in the cartridge port for Timex Portugal Disk Drives. | Timelinez | September - October 1991 | |
| 32K SRAM for the ZX81 | LISTing Newsletter | September 1996 | |
| 40K Non-Volatile Memory | SWYM | November 1989 | |
| 4K/8K ROMs in One ZX-80 This article describes the final solution that I used to make both ROMs available to my ZX80. 1 installed the... | SYNC | March/April 1982 | |
| 64K Byte Memory Expansion for the T/S 1000 | Timelinez | July - August 1983 | |
| 6K RAM Addition Frustrated by the limitations of 2K RAM, Jim Graham of Oakham, MA, put 6K “under the hood” of his ZX81.... | Syntax | February 1982 | |
| 8-16K Switch for Cheetah 64K RAM Pack Detailed hardware modification for adding a DPDT switch to the Cheetah 64K RAM pack, allowing the 8-16K address block to... | Doug Hoiles | Timelinez | October 1984 |
| 8K EEPROM Board Build a non-volatile memory expansion board with the Seeq Technology 8K EEPROM. | Sinc-Link | November 1984 | |
| 8K of Very Low Power CMOS RAM In a World Class Computer for Only $0 | LISTing Newsletter | December 1989 | |
| 8K of Very Low Power CMOS RAM In aWorld Class Computer For Only $40 Here is a method for installing a Toshiba TCS5S65 PL-15 Very Low Power CMOS SK X B RAM ($40 from... | Triangle Sinclair Users Group | March 1984 | |
| A Big Keyboard A DIY project for building a full-size keyboard for the ZX/TS using a bare keyboard board purchased at a hamfest... | Sinclair Users Network | January 1983 | |
| A Broken 2068? Fix It Yourself! Method for testing for and repairing bad RAM chips. | Time Designs Magazine | July/August 1988 | |
| A Cheap and Simple EPROM Programmer This article will show you how to build an EPROM programmer. Those interested in peripherals for the Sinclairs (floppy disk,... | SYNC | January/February 1983 | |
| A Cheap and Simple EPROM Programmer | LISTing Newsletter | April 1990 | |
| A Comparator to Use on Bad 2068 Tapes Simple comparator schematic to square up signals from a cassette recorder. | Sinclair Timex User Group Newsletter | August 1984 | |
| A Complete RTTY Transceive System for the ZX81 and Spectrum From the British Sinclair Amateur Radio User Group Newsletter done by Paul Newman, G4INP. (Reprinted with permission). Here’s a nice... | QZX | November 1983 | |
| A Couple of Simple ZX81/Timex 1000 Modifications Internal 16K RAM using 62256; composite video buffer. | Update Magazine | July 1996 | |
| A Cure for Overheating | ZX-Appeal | February 1989 | |
| A Cure for Overheating | LISTing Newsletter | March 1992 | |
| A Cursor Pad Hardware and software solution to create an external, cursor keypad. | Sincus News | September - October 1987 | |
| A Hot QL Fix | The Plotter | April 1990 | |
| A JLO FDD Interface Hardware Project My system consists of a TS-2068 with a JLO Disc Interface with a 5.25 inch drive and a pair of... | Nite-Times News | March 1987 | |
| A Keyboard Interface for Any Timex Computer For those who do not wish to go into their computer to connect a new keyboard, here is an interface... | SUM | September 1985 | |
| A Load/Save Switch, Test Tapes, Azimuth Alignment Revisited and Micro Cartridges | LISTing Newsletter | December 1985 | |
| A Long Cable For 2040 Printers | The Plotter | May 1985 | |
| A Monitor Adapter for the T/S 1500 For several years, publications have carried articles on connecting T/S 1000 and ZX81 computers to monitors, to improve the quality... | Time Designs Magazine | September/October 1985 | |
| A Monitor Connection for the T/S 1500 | ZX-Appeal | January 1989 | |
| A New House for the QL | CATS Newsletter | March - April 1996 | |
| A New Life for Sinclair/Timex Computers | ZX-Appeal | Summer 1987 | |
| A Parallel Interface for the ZX-80/MicroAce Computer Construct a simple parallel interface for the ZX80/MicroAce computers with the Z-80 PIO. | SYNC | July/August 1981 | |
| A Power Supply for Your Cassette Recorder A use for the extra output winding on the transformers supplied with surplus 2040 printers. | Synapse | January and February 1985 | |
| A Regulated-Voltage Power Adaptor Schematics to build power supplies for the ZX81. | SYNC | March/April 1983 | |
| A Serial Interface Project for the ZX81 & TS1000 This is the second article of a series dealing with a serial interface with which to connect your ZX81/TS1000 to... | Vic B. Rice | Computer Trader Magazine | May 1985 |
| A SERMouse Adapter Sometime ago, having been encouraged by John Impellizzeri’s review of SERMouse, I took the plunge and bought a serial mouse... | Mel E. LaVerne | International QL Report | September/October 1994 |
| A Simple Loading Aid Plans for a small device to monitor signal levels when loading programs. | T-S Horizons | January/February 1984 | |
| A Subroutine for Serial Data Output Trying to write machine code subroutines for the ZX80 presented some problems. This article details the problems with their solutions,... | SYNC | July/August 1981 | |
| A Sure Cure For TS Wobble If you’re suffering from this dreaded disease, here’s a simple hardware trick that will have you and your computer feeling... | Microcomputing Magazine | August 1983 | |
| A Video Reverse Board The easiest way to connect your computer to a monitor is to simply take the composite video signal from pin... | Fred Nachbaur | SyncWare News | 1984 |
| A Video Upgrade? Why? Is the predominant first question. If you find that your computer does its job, but you would like to... | SyncWare News | Sept-Oct 1984 | |
| A-B Boxes and other Ramblings DIY switch boxes for disk drives. | Update Magazine | October 1990 | |
| Activating the NMI on TS2068 | LISTing Newsletter | January 1986 | |
| Adapting the TI Keyboard to the TS1000 | LISTing Newsletter | March 1985 | |
| Adapting the TI Keyboard to the TS1000 | LISTing Newsletter | Sample Issue | |
| Adapting the ZX81 Rampack to the TS2068 Adapt the 1016 ram pack, memory mapped to the DOCK bank. | T-S Horizons | May/June 1985 | |
| Adapting the ZX81 RAMpack to TS2068 | LISTing Newsletter | August 1985 | |
| Add a Full-Sized Keyboard to Sinclair’s ZX80 Interface a surplus keyboard to the ZX80. | Byte | March 1982 | |
| Add an ON/OFF Switch to Your QL I’ll never understand what it is that Sir Clive has against the simple and convenient on/off switch. Neither the ZX81,... | John Riley | CATS Newsletter | March 1990 |
| Add an On/Off Switch to Your QL | LISTing Newsletter | April 1988 | |
| Add an On/Off Switch to Your QL | CATS Newsletter | December 1987 | |
| Add an RS-232 Port to Your ZX81 Shows how to add a standard communications interface to the ZX81 – an RS-232 serial communications port that will let... | Hands-On Electronics | Spring 1985 | |
| Add Direct Video Output to Sinclair ZX81 Simple schematic to provide monitor video out. | Dr. Dobb’s Journal | May 1982 | |
| Add RGB to Your 2068 RGB on the 2068 is probably one of the most gratifying additions you can get. The problem is that there... | QZX | November 1992 | |
| Add serial port to your Sinclair Project to add a 2050-compatible serial port to the 1000 or 2068. | Update Magazine | July 1996 | |
| Addendum to Article in January Update “Dock Bank Memory, 20 Cents” Corrected diagram. | Update Magazine | July 1988 | |
| Addendum: A Simple EEPROMER Update to Paul Hunter’s article on Bankswitching for the TS1000 (TS Horizons part 4). | Sinc-Link | July/August 1988 | |
| Adding a Counter in Hardware Adding hardware timer/counters to the Microace. | SYNC | July/August 1983 | |
| Adding a Joystick For the Spectrum/2068 Having converted your 2068 to Spectrum mode of operation, you will find that most British software can be operated successfully... | Jack Keene | Time Designs Magazine | May/June 1986 |
| Adding A Joystick To The Timex-Sinclair 1000 Adapt an Atari joystick to emulate the arrow keys. | SYNC | July/August 1983 | |
| Adding a Joystick to the ZX81 First part of an article about wiring a joystick to the computer. | Sinc-Link | ||
| Adding a Joystick to Your ZX81 Wire a joystick to map to the arrow keys. | Syntax | June 1982 | |
| Adding a TTL Monitor to Your TS-2068 | ZX-Appeal | January 1988 | |
| Adding a TTL Monitor to Your TS-2068 | SLUG Newsletter | July 1987 | |
| Adding a TTL Monitor To Your TS-2068 | Nite-Times News | April 1987 | |
| Adding a Video Monitor to your Sinclair ZX81 Simple diagram for tapping off the signals going into the RF modulator. | Computers & Electronics | March 1983 | |
| Adding an LED Load Monitor to the MicroAce | LISTing Newsletter | July - August 1994 | |
| Adding an LED Load Monitor to the ZX80 Single LED (light emitting diode) added to the tape “ear” input of the computer. The voltage for lighting the LED... | SYNC | January/February 1981 | |
| Adding Dimension in 2068 Computing … Using a Plotter The versatile TS 2068 computer never ceases to amaze me on its capabilities. Each of us has a pet application... | SUM | March 1986 | |
| Adding On To Gladstone Many memory expansion boards have been offered for ZX81’s and TS1000s. One of the first to break down through the... | SyncWare News | Jul-Aug 1985 | |
| Adding Ports to your QL | CATS Newsletter | September 1992 | |
| Adding RGB to Your 2068 | LISTing Newsletter | December 1994 | |
| Adding RGB to Your 2068 RGB on the 2068 is probably one of the most gratifying additions you can get. The problem is that there... | SUM | February 1986 | |
| Adding RGB to Your 2068 Instructions and schematic to connect 2068 to TTL RGB monitor. | Update Magazine | October 1992 | |
| Adding Two More Drives Add two more drives to a Larken system. | Update Magazine | July 1995 | |
| Adding Two More Drives | Nite-Times News | September - October 1994 | |
| Additional Byte-Back Memory Pack Notes Thanks to John Oliger’s NOT M1 decoding circuit, many new and excellent pieces of software are coming into the market... | SyncWare News | May-Jun 1985 | |
| Adjustments to the TS 2020 for Volume and Rewind/FF Speed | SLUG Newsletter | June 1989 | |
| AERCO Parallel Printer Interface Case | LISTing Newsletter | December 1983 - January 1984 | |
| Alignment Tape: Screwing Your Head on Straight | LISTing Newsletter | June - August 1989 | |
| All-Purpose Beeper Circuit to emit a “beep” every time your ZX80 or MicroAce reads from or writes to a selected memory address. | Syntax | June 1981 | |
| Alternate Modem Power Supplies | LISTing Newsletter | December 1989 | |
| Alternate Modem Power Supplies | LISTing Newsletter | February - March 1988 | |
| Alternate Modem Power Supplies | SLUG Newsletter | May 1988 | |
| An Easy Improvement for Your TS-2068 Keyboard | Nite-Times News | June 1987 | |
| An Illuminating Idea Hardware and software to switch up to four 5-amp loads at up to 110v. | Timex Sinclair User | December 1983 | |
| An Improved Joystick It was interesting to see in page 10 of the 1:1a issue of SyncWare News, a joystick circuit that is... | Cedric Bastiaans | SyncWare News | 1984 |
| An LED for Your 2040 | LISTing Newsletter | January 1988 | |
| An RGB Monitor for the TS2068 I purchased a Model No. 4084 TV/ monitor from Sears (#364,.00 including tax) together with RGB Cable Model 6529 (#18.00).... | SUM | January 1985 | |
| And Now For Something Completely Different Print 2068 images to an OKIMATE 10 or 20 printer; transfer those images to clothing. Requires either McMichael’s Commodore interface... | Sinc-Link | January/February 1990 | |
| Announcing: The IKI (An IBM Keyboard Interface for 1000/2068) The IKI can be used with the ZX80, ZK81, T/S 1000, T/S 1500, Spectrum and T/S 2068 computers. It is... | Update Magazine | October 1995 | |
| Another $100 Misunderstanding Documents assembly errors in the ZX81 kit: missing instructions for capacitors C13/C14, inductors I1/I2, vertical installation of resistors R27/R29, and... | Bob Nadler | Syntax | March 1982 |
| Another 2068 Color Monitor Adapter RGB monitor interface using a transistor and integrated circuit (74LS04). | ZXir QLive Alive! | Winter 2001 | |
| Another Approach to Extra Memory Banks I put together a board using eight 43256 chips, giving 256K in eight banks. This article will describe how it... | Update Magazine | October 1989 | |
| Another Look at 450ns EPROMS vs the ZX81/TS1000 Paul Hunter’s comments on using 450ns EPROMs on ZX/TS computers (May83) strike me as true but incomplete. Paul shows how... | Syntax | July 1983 | |
| Audio Transformer Load Aid | LISTing Newsletter | November 1989 | |
| Autotape | Sinclair Users Network | May 1984 | |
| Bank Switching for the TS 1000, Part 1 | T-S Horizons | March 1984 | |
| Bank Switching for the TS 1000, Part 2 Describes some of the hardware needed for the project. | T-S Horizons | April/May 1984 | |
| Bank Switching for the TS 1000, Part 3 | T-S Horizons | June 1984 | |
| Bank Switching for the TS 1000, Part 4 THE NONVOLATILE MEMORY BANK After constructing the two 16K banks described last month, and experimenting with them, I felt the... | Paul Hunter | T-S Horizons | July/August 1984 |
| Bank Switching for the TS 1000, Part 5 To start this month’s installment, we will clear up the increased RF interference on the display and discuss alternative power... | Paul Hunter | T-S Horizons | Oct/Nov 1984 |
| Bank Switching for the TS 1000, Part 8 This is the last instant of this series. Routines to save (and reload) bank data on tape are included in... | T-S Horizons | February/March 1985 | |
| Bank Switching for the TS1000, Part 6 Again this month we’ll start by reviewing comments and suggestions made by some of you who are building a stacked... | Paul Hunter | T-S Horizons | Dec 1984 |
| Bank Switching for the ZX81, Part 2 In this section the various options in the menu of the BSOS (bank switching operating system) will be discussed. | Triangle Sinclair Users Group | December 1985 | |
| Bank Switching Schematics | ISTUG Newsletter | March - April 1989 | |
| Bankswitched RAM on the TS2068 and Spectrum | LISTing Newsletter | November 1996 | |
| Battery Back-up The EI Cheapo BBU The circuit shown is the simplest scheme possible to provide power-down protection for your ZX/TS. You just need a battery... | Fred Nachbaur | SyncWare News | 1984 |
| Battery Backup | CRAGIST Newsletter | January 8, 1989 | |
| Battery-Backup and Entrycheck Here is a simple sketch on how you can provide battery backup for your computer. Cost of parts is small,... | QZX | March 1983 | |
| BBU for T/S Machines | CATS Newsletter | June 1985 | |
| Beep, Beep Beep circuit for TS 1000. | ZX-Appeal | December 1987 | |
| Beep, beep Keyboard beeper. | Sinc-Link | January/February 1990 | |
| Better RGB Circuit | LISTing Newsletter | February 1989 | |
| Better RGB Circuit | LISTing Newsletter | January 1995 | |
| Better RGB Circuit RGB adapter with option for positive or negative sync and positive or negative color signals. | SUM | July 1986 | |
| Better Sound Increase the volume of SOUND on the 2068 with this little circuit. | April 1984 | ||
| Big Keyboard 2068 Schematic for interfacing a keyboard to the expansion bus. | LISTing Newsletter | November 1985 | |
| Bits & Bytes This column will and try to track document the quirks, fixes, and unique modifications done to the Sinclair computers. We... | Alex Burr (K5XY) | QZX | April 1983 |
| Bordure Psychedelique? Short program to generate multicolor border effects. | SIN | December 1985 | |
| Break Out with This Sinclair Interface Educate your ZX81 — teach it to talk to your H8 or some other outside device. Includes schematic for a... | Microcomputing Magazine | December 1982 | |
| Break the 1K Barrier Double the ZX81 RAM to 2K with a 6116 static RAM. | Microcomputing Magazine | March 1983 | |
| Brother EP-44 to Sinclair IF One | LISTing Newsletter | December 1985 | |
| Buffering the Data Bus Why it’s necessary to buffer the data bus when adding peripherals and how to do it. How the resistors on... | Sinclair Timex User Group Newsletter | September 1983 | |
| Bug Alert: One-chip NVM The “One-chip NVM” in SWN 4:1 shows a minor discrepancy between the schematic (Fig. 3) and the pictorials and instructions. | SyncWare News | Jan-Feb 1987 | |
| Build a 2068 Cartridge Board In SWN 2/4 and 2/5, I discussed the construction of an eprom programmer for the 2068 and 1000. Those of... | May-June 1986 | ||
| Build a 64K Dynamic Memory Board | SQ Syntax Quarterly | Summer 1983 | |
| Build A Computerized Anemometer Using The Experimenter’s I/O Port This project is the first in a series of articles which will chronicle my ongoing experiments in the development of... | Thomas B. Woods | Computer Updates | Winter 1986 |
| Build a Spectrum ROM Switching Circuit for Your TS2068 I recently purchased some Spectrum ROMs from Zebra Systems with the hope that I might be able to make my... | Gary Lessenberry | CATS Newsletter | February/March 1989 |
| Build a Spectrum ROMswitching Circuit For Your TS-2068 | ZX-Appeal | Summer 1987 | |
| Build a Spectrum Romswitching Circuit for your TS-2068 | LISTing Newsletter | April 1988 | |
| Build a Spectrum ROMswitching Circuit for Your TS-2068 | SLUG Newsletter | June 1987 | |
| Build a Spectrum ROMswitching Circuit for Your TS-2068 | Nite-Times News | May 1987 | |
| Build a Spectrum Romswitching Circuit for your TS-2608 | CATS Newsletter | October 1987 | |
| Build Additional RAM How to upgrade the ZX80 to 8K RAM. | Syntax | March 1981 | |
| Build an Uninterruptible Power Supply Add a small UPS to the TS1000. | T-S Horizons | November 1983 | |
| Build this Super Simple Modem Short article and program on interfacing directly to the telephone line via the MIC jack. Program uses BEEP command to... | Time Designs Magazine | March/April 1987 | |
| Build your own EPROM blower without blowing a fortune Because most users of the T/S1000/ZX81 are software orientated, the hardware has been made simple in this design. The software... | Timex Sinclair User | July 1983 | |
| Build Your Own EPROM Programmer and Centronics Printer Interface – Part I Multi-part article series. | SQ Syntax Quarterly | Winter 1982 | |
| Build Your Own EPROM Programmer and Centronics Printer Interface – Part II | SQ Syntax Quarterly | Spring 1983 | |
| Build Your Own Surge Suppressor One of the most overlooked accessories for the low priced home computer is a voltage surge suppressor. Maybe you ve... | CATS Newsletter | April 1990 | |
| Build Your Own Surge Suppressor Add MOVs to a power strip and make a surge suppressor. | T-S Horizons | May/June 1985 | |
| Building an RS-232 Port into the 2050 Modem Step-by-step guide to installing the Zebra RS-232 circuit board inside the TS2050 modem case with a 3PDT switch for selecting... | Loren Latker | Timelinez | April 1987 |
| Building an RS-232 Port into the 2050 Modem Step-by-step guide to adding a Zebra Systems RS-232 circuit board inside the TS2050 modem case, selectable via a 3PDT mini-switch... | Loren Latker | Timex Sinclair Users Group Mile High Chapter Newsletter | June 1987 |
| Built In BBU Yes, folks, there’s plenty of room left in even your tiny “stock” case to include re-chargeable BBU INSIDE THE COMPUTER.... | Fred Nachbaur | SyncWare News | 1984 |
| Byte-Back RS-232 and Tasword Two | LISTing Newsletter | July 1985 | |
| ByteBack to Interface 1 RS-232 | LISTing Newsletter | October 1985 | |
| CAI Stringy Floppy Modification for A&J Interface / ESFOA SIG Announcement Instructions for modifying a CAI Stringy Floppy drive to work with the A&J (4K ROM) interface: one trace must be... | Bill Miller | Timelinez | June 1984 |
| Can We Talk? On Communicating Computers | Sincus News | November - December 1986 | |
| Cassette Connection Comments | LISTing Newsletter | October 1990 | |
| Cassette Eavesdropper Use this simple circuit to listen to your programs as they save and load or to search for programs on... | Syntax | December 1980 | |
| Cassette Recorder Interface Build a small interface unit to improve program loading. | Sinc-Link | ||
| Cassette Tape Load/Save Monitor | ZXir QLive Alive! | Winter 1993 | |
| CDROM on a QXL Before my life as a computer tech head started, I had a distrust of computers. Those things that could file... | Dennis Donahue | International QL Report | September/October 1995 |
| Centronics Printer Port – AERCO Style Schematic for a parallel printer interface using the Zilog Z80-A parallel input/output chip (PIO). | LISTing Newsletter | November 1985 | |
| Centronics Style Port TS-1000 | LISTing Newsletter | July - September 1986 | |
| Cheap 32K RAM Add on For The 2068 | SWYM | October 1989 | |
| Cheap Power Surplus power supplies can double a ZX/TS’s load capabilities. | Syntax | September 1983 | |
| Circuit Circus Excerpted from SWYM Newsletter, Seattle Sinclair Users Group. Sync inverter for QL, load fix for ZX81/TS1000, TOS power supply, modem... | Update Magazine | October 1990 | |
| Circuit Circus | SWYM | October 1990 | |
| Circuit training helps to build good characters Expansion to allow user-defined characters. | Timex Sinclair User | August 1983 | |
| Clearer Video | LISTing Newsletter | December 1992 | |
| Color Blind to Colorful | SUM | January 1986 | |
| Composite Color on the QL | LISTing Newsletter | October 1989 | |
| Computer Repairs Tips for repairing the TS 2068. | Sinc-Link | January/February 1990 | |
| Computer Tip for the Sinclair Line Hardware tip recommending replacement of LS-series TTL ICs with HCT or HC CMOS equivalents in the Timex/Sinclair 2068 expansion bus... | James DuPuy | The RAMTOP | May-Jul 1988 |
| Computer Weather Station: Part 2 Tell Which Way The Wind Blows In the last issue’s “anemometer” article, I showed how to build a simple but effective (and cheap) device to tell... | Thomas B. Woods | Computer Updates | Spring 1986 |
| Connect A Composite TTL Monitor to a TS1000/QL Schematic to connect a TS1000 or QL to a monochrome TTL monitor by extracting HSYNC and VSYNC signals. | Update Magazine | January 1992 | |
| Connect a Monitor to the TS1000 How to connect a TS1000 directly to a composite monitor. | SYNC | July/August 1983 | |
| Connect a Monitor to the TS1000 | LISTing Newsletter | December 1995 | |
| Connect a Monitor to the TS1000 | LISTing Newsletter | February 1996 | |
| Connect a Monitor to the TS1000 | Nite-Times News | August 1988 | |
| Connecting an RGB Monitor Describes how to connect an RGB monitor using a kit from E. Arthur Brown. | Sinc-Link | January 1985 | |
| Connecting The Amdek Amdisk III to the Zebra FDD 3000 | Nite-Times News | February - March 1988 | |
| Conversion 2068 to Spectrum Adapt your 2068 to run Spectrum software. | SIN | April-May 1986 | |
| Convert your T/S,ZX to Color Build an add-on to connect a 6847 video display generator (same as in Radio Shack Color Computer) to your TS1000. | Timex Sinclair User | October 1983 | |
| Convert Your TV into a Computer Monitor Schematic and instructions for converting a black and white TV to a monitor. | SUM | May 1985 | |
| Converting the Oliger 64K Ram for the 2068 To use the JLO 64 K RAM board (from the TS1000) on the 2068, it is necessary to make these... | SyncWare News | Jan-Feb 1985 | |
| Converting Your 2068 to a Spectrum | LISTing Newsletter | September 1984 | |
| Cooling Your ZX81/TS 1000 | LISTing Newsletter | April 1985 | |
| Correct cassette loading problems | Sincus News | September - October 1985 | |
| Correction to Battery Back Up Article | CRAGIST Newsletter | February 12, 1989 | |
| Creating a Four Port Expansion Decoder Memory-mapped IO for the 1000 computer. | Time Designs Magazine | September/October 1988 | |
| Creating Quad Density 5 1/4″ Disk Drives With all the interest in ED disks these days, it may seem odd to discuss 5 1/4″ drives. Well, I... | Don Walterman | International QL Report | March/April 1993 |
| Curing 16K RAM Random Dumping Practical guide to fixing intermittent memory loss in the Sinclair 16K RAM pack, covering insulator trimming, grounding spring inspection, and... | Burt Haberman | Syntax | March 1982 |
| Curing 16K RAM Random Dumping Suggestions for eliminating RAM pack wobble. | Syntax | March 1982 | |
| Cursor Joystick (for the ZX81 & 2068) Describes how to wire a joystick port for use with a Spectrum ROM. | Sinc-Link | May/June 1985 | |
| Custom Keyboard Tip Did you hook up one of those TI keyboards to your ZX81/TS1000? Don’t you wish it had all the Sinclair... | SyncWare News | May-June 1986 | |
| Customize Your 2068 Keyboard Circuit to generate a series of keystrokes using CMOS oscillator (4011), counter (4017) and switch (4066). Includes examples for CHR$(27);... | Sinc-Link | July/August 1985 | |
| D.I.Y. Keyboard Since on interest had been expressed in a lower priced replacement keyboard for the QL, I determined to attempt to... | James Cook | QL Report | August 15, 1987 |
| Data Transfer on the Serial Port Many users now own or have access to more than one computer and find one may have certain advantages over... | Dave Schoenwetter | CATS Newsletter | January 1991 |
| Dead Key Row | The Plotter | October 1989 | |
| Decoding the EXROM The following circuit will allow you to use the memory area above the EXROM, which ocupies the 0 to 8K... | SyncWare News | Jan-Feb 1985 | |
| Did You Know? Schematic for an AERCO style printer interface. | Sinc-Link | January/February 1993 | |
| Digital Imaging Hardware Project, Part I Reprint of Eric Michaud’s Digital Imagizing, Part I from Sinc-Link v5 n1. | CATS Newsletter | April 1987 | |
| Digital Imaging II Reprint of the original, with modified schematic and example scan showing Toby Radloff and Harvey Pekar. Reprinted from the Cleveland,... | Sinc-Link | November/December | |
| Digital Imagitizing, Part 1 Have you ever wanted to have some REAL pictures for your 2068? 1 don’t mean your usual pictures from your... | Sinc-Link | January/February 1987 | |
| Digital Imagizing Part II Second part of a video digitizer hardware project series for the Timex/Sinclair 2068. Provides a corrected schematic addressing errors from... | Eric Michaud | The RAMTOP | May-Jun 1987 |
| Digital Imagizing, Part 1 Reprint of Eric Michaud’s Digital Imagizing, Part I from Sinc-Link v5 n1. | The RAMTOP | February 1987 | |
| Digital Imagizing, Part 2 Hopefully by now you have assembled the hardware involved in this project and have obtained the necessary driver software from... | Sinc-Link | March/April 1987 | |
| Digital Logic Probe Construction guide for a logic probe using half of an LM-339 quad comparator, compatible with both CMOS and TTL logic... | Lance Ward | Syntax | April 1982 |
| Digitizer | SMUG Bytes | October 1989 | |
| Direct Video Mod Here’s a video reverse/clean-up mod that started as W4MHQ’s “Direct Video Output” in QZX VOL.1 NO. 2. Like W4MHQ’s, this... | Fred Nachbaur | QZX | June 1983 |
| Direct Video Output for the TS1000 Hardware modification article describing how to add composite monochrome video output to the TS1000 using a single NPN transistor and... | SWYM | August 1989 | |
| Do It Yourself Emulator | CATS Newsletter | December 1984 | |
| Dock Bank Memory for Twenty Cents: Convert a TS-1000 Ram Memory for the TS-2068 How to convert a 64K RAM pack for the TS1000 to map to dock memory on the TS2068. | Update Magazine | January 1988 | |
| Double Your Memory Although the ZX81 was designed to be inexpensive, a foresighted designer has provided the circuitry to use a 2K x... | SYNC | July/August 1982 | |
| Driving a Monitor From the T/S 1000 | CATS Newsletter | April 1985 | |
| Driving a monitor from the TS 1000 Reprint of an article from an earlier issue. Transistor-based circuit. | CATS Newsletter | August 1988 | |
| Driving a Monitor From the TS 1000 | VISTA Newsletter | ||
| Driving a Monitor From the TS 1000 | Sinclair Timex User Group Newsletter | January - February 1989 | |
| Driving a Monitor From the TS 1000 | CATS Newsletter | August 1988 | |
| E-Z Load Modification Based on the information on the recorder to computer interface for the ZX81 which appeared in the Jan 8 3... | Edwin Solov (K2SE) | QZX | June 1983 |
| Easy Keyboard Fix | The Plotter | September 1988 | |
| Easy Keyboard Fix Fixing the TS 2068 space bar. Reprint from Clackamas County Area T/S User Group | Sinc-Link | March/April 1989 | |
| Electrical Transient Protection Made Easy | ZX-Appeal | January 1989 | |
| Emergency Power for the 2068 | SUM | April 1986 | |
| EMU-1 Spectrum Emulator | LISTing Newsletter | Sample Issue | |
| Eprom Burner Program Program to accompany the EPROM programmer described in Sinc-Link v2 n6. | Sinc-Link | January 1985 | |
| EPROM Programmer You Can Build, Part 1 | LISTing Newsletter | February 1989 | |
| EPROM Programmer You Can Build, Part 2 | LISTing Newsletter | February 1989 | |
| EPROM Programmer You Can Build, Part II Program to use the EPROM programmer with the TS1000/1500 along with details about cartridge format EPROM settings. | SUM | July 1986 | |
| EPROM Programmer, Part II: Fixing Your Home ROM Correct the home ROM by transferring it into RAM, changing the code, and then programming a 27128 to replace it. | SyncWare News | May-Jun 1985 | |
| EPROM Reader and Burner Uses Benefits and procedures for reading and burning EPROMs. | Sinc-Link | January 1985 | |
| EPROMS Are Alive and Well … And Living in Redwood City | Nite-Times News | November 1988 | |
| EPROMS Are Alive and Well… | Timelinez | September - October 1988 | |
| Error Codes: Revising a Hunter Board to Hold 32k Correction to “Revising a Hunter Board to Hold 32k” that appeared in T-S Horizons n19. | T-S Horizons | July-August 1986 | |
| Error in simple Sound Port Correction to the schematic. | Sinc-Link | November/December 1988 | |
| Esc Key | The Plotter | February 1986 | |
| Escape Key | The Plotter | December 1985 | |
| Escape Key Boo Boo | The Plotter | January 1985 | |
| Expand Your Timex/Sinclair Operating System Expansion card with 8K of battery-backed CMOS RAM in the 8-16K range. Part two. | Radio Electronics | August 1983 | |
| Expand Your Timex/Sinclair Operating System Expansion card with 8K of battery-backed CMOS RAM in the 8-16K range. Part one. | Radio Electronics | July 1983 | |
| Expand Your ZX-81 Memory to 32K Translation of article from ZX-TEAM-MAGAZIN. | ZXir QLive Alive! | Summer 1996 | |
| Expanding RAM Replace the 1K RAM in the ZX81 with a 2K static RAM chip. | Sinc-Link | ||
| Experiments in Memory and I/O Expansion How memory works in the ZX80; adding RAM using 2114 chips; adding I/O; adding RAM using HM6116 CMOS chips. | SYNC | November/December 1981 | |
| Extended Problem | The Plotter | October 1985 | |
| Extra Memory Programming Most of us can visualize the computer's "regular" memory. We know that the ROM part of memory has "fixed" machine... | Update Magazine | January 1988 | |
| February Hardware Project | The RAMTOP | February 1986 | |
| Firmware Card Card to put a 2K or 4K EPROM anywhere in the memory map. | ComputerDigest | November 1985 | |
| First Impressions (The Continuing Saga of a QL User) Provides a wiring diagram for connecting the QL’s 9-pin serial port to a Hayes-compatible DB-25 modem, and notes that 300... | Steve Berg | The Sinc Times (2) | May/June/July 1988 |
| Fix for Excessive Charger Ripple Diagnoses and fixes a display distortion problem caused by excessive ripple on the +5V supply, typically from a degraded charger.... | Sam Porter | Syntax | April 1982 |
| Fix the ZX-81/TS1000 Loose Jack Problem | Nite-Times News | January - February 1993 | |
| Fixing My FDD3000 | Nite-Times News | November - December 1990 | |
| Fixing TS-2050 Modem Boards | LISTing Newsletter | November 1992 | |
| Foote Interface Fix | ISTUG Newsletter | March 1987 | |
| Four-digit Multiplexed BCD to ZX81 Adaptor Interface binary-coded decimal (BCD) devices to the ZX81. | Electronics Today International | October 1983 | |
| Frequency Counter | CATS Newsletter | January 1986 | |
| From the Project Table Interfacing an Atari trackball to the 2068. | Timex Sinclair Users Group Of Cincinnati Newsletter | November 1984 | |
| Fun With Hardware Part I – The Platform Homebrew memory and IO expansion device for the 2068. | ZXir QLive Alive! | Spring 2000 | |
| GAMESMATE Fix Fix to fully decode the GAMESMATE Kempston compatible joystick interface so it doesn’t conflict with other peripherals. | Time Designs Magazine | January/February 1986 | |
| GAMESMATE Fix Fix the minimally-decoded Kempston adapter to with more limited IO range. Only one address line (A5) is decoded in the... | The Sinc Times (2) | January 1988 | |
| Gavilan Printer Interface | LISTing Newsletter | January 1986 | |
| George Erickson’s Ultimate Loading Solution: Batteries UPDATES has devoted considerable space to improving loading speed convenience and dependability. Disk drives, stringy floppies, and fast load-type programs... | Pro/File Updates | July 1984 | |
| George Rey’s Case | CATS Newsletter | October 1987 | |
| Get a Better Screen Several circuits for composite monitor signals from the ZX81/TS 1000. | ZX-Appeal | February 1986 | |
| Getting Into A BIG Printer I won’t spend much time or space extolling the virtues of a “big” printer for your ZX/TS computer. Suffice it... | Fred Nachbaur | SyncWare News | 1984 |
| Getting Loaded Tape loading monitor. The monitor consists of two LEDs, a diode, some wire, and a case to house everything. The... | SYNC | March/April 1982 | |
| Getting More From Each Keystroke Hints on adding a full-size keyboard. | Sinclair Timex User Group Newsletter | January 1984 | |
| Getting More From Your 2050 Modem | LISTing Newsletter | April 1992 | |
| Getting the LED Out | LISTing Newsletter | March 1984 | |
| Give a Voice to Your QL Hardware project for adding speech synthesis to the Sinclair QL by connecting a B.G. Micro text-to-speech board via the RS-232... | The RAMTOP | Mar-Apr 1989 | |
| Green and Black and Read All Over Connecting the ZX81 to a monitor. | Syntax | April 1983 | |
| Hacker’s Haven Presents: ZX-81 (and 2068) MIDI Interface Project, Part 2 | Sinc-Link | July/August 1989 | |
| Hacker’s Haven Presents: ZX-81 MIDI Interface Project | Sinc-Link | March/April 1989 | |
| Hacker’s Notebook: Bill Volk’s Loading Aid | LISTing Newsletter | March 1986 | |
| Hacker’s Notebook: Joysticks | LISTing Newsletter | February 1985 | |
| Hacker’s Notebook: TS 1000 Memory Expansion | LISTing Newsletter | February 1986 | |
| Hackers Note Book: Atari Keypad on 2068 | LISTing Newsletter | April 1986 | |
| Hackers Notebook: Atari Key Pad | LISTing Newsletter | May 1986 | |
| Happiness is a Converted T/S 1016 RAM That Works! Addition to two part article in Time Designs in 1986. | ZXir QLive Alive! | Summer 1991 | |
| Hardware Buys & Tips | LISTing Newsletter | June 1986 | |
| Hardware Helpers Reset button, high contrast inverse video. | SYNC | January/February 1982 | |
| Hardware Hints Potential solution to overheating; labeling keys on big keyboards. | Syntax | November 1981 | |
| Hardware Hints Offers several solutions for preventing the ZX81 from overheating. | Sinc-Link | ||
| Hardware Hints | LISTing Newsletter | June 1992 | |
| Hardware Hints Two hardware tips: an overheating fix using a steel block on the case (reprinted from EZUG Newsletter Jan/Feb 82), and... | Ann Zevnik | Syntax | March 1982 |
| Hardware Project This circuit will simplify loading and saving programs by eliminating ground loop noise without the need to pull out the... | Syntax | November 1982 | |
| Hardware Project: EPROM Programmer You Can Build Hardware/software project to program EPROMs from the 2068. | SUM | June 1986 | |
| Hardware Project: Simple 4K-8K ROM Switch Step-by-step guide for building a piggyback ROM switch to run both 4K integer BASIC and 8K ROMs in the ZX80... | Martin Oakes | Syntax | July 1982 |
| Hardware Report Potential solution to problems with LOAD. | Syntax | September 1981 | |
| Hardware Review: Data-Skip VIDEOFACE | ZX-Appeal | March 1987 | |
| Hardware Tip: Keyboard Conversion Use a DIP socket to create connectors for a keyboard conversion. | Syntax | February 1983 | |
| Hardware Tips Thick Black Bars; Insufficient Filtering Solved; Memory Expansion Power Supply; Ear Input Circuit; Problems with ROM Changing; Top Line Hook... | SYNC | July/August 1982 | |
| Have You Lost Your Grip? | ZX-Appeal | October - November 1987 | |
| Have You Lost Your Grip? | ISTUG Newsletter | October - November 1987 | |
| Helpful Hint #2 With so many new hardware upgrades, I find that I am changing or remounting chips with increasing frequency. Just recently... | Dick Taylor | International QL Report | May/June 1992 |
| Here’s A Cheap Home Brew Tone Decoder That Works Great!! What’s a tone decoder, you ask? Well, a tone decoder is a vital piece of equipment which must be hooked... | Thomas B. Woods | Computer Updates | Winter 1986 |
| Home Control on a Budget | SYNC | January/February 1984 | |
| Home-made 2068 LarKen Disk Interface Instructions for building a Larken 2068 disk interface. | Update Magazine | October 1995 | |
| How I Made My Fullsize Keyboard Describes how to connect a surplus keyboard to a ZX81. | BAZUG Newsletter | June 1982 | |
| How to Build a Larken Dock Board How to make a dock cartridge board. | Update Magazine | October 1994 | |
| How to Build an Inexpensive Joystick Interface Simple circuit and software to interface Atari joysticks to the 1000. | Timex Sinclair User | November 1983 | |
| How To Connect An IBM Keyboard To Your Timex 2068 This article shows you how you can use a full size IBM compatible keyboard with your computer and create a... | Thomas B. Woods | Computer Updates | Summer 1986 |
| How to Convert a Surplus WC2050 Modem into an RS-232 SERIAL INTERFACE for your TS1000/1500/2068 The purpose of this article is to show you how, with the addition of a few inexpensive components, you can... | QZX | January 1993 | |
| How to Convert a Surplus WC2050 Modem into an RS-232 Serial Interface for your TS1000/1500/2068 | Update Magazine | October 1992 | |
| How to Convert a Surplus WC2050 Modem into an RS232 Serial Interface for your TS1000/1500/2068 | Time Designs Magazine | March/April 1986 | |
| How to Have a Reliable QL Describes a series of hardware modifications to improve QL reliability, including voltage regulator replacement, bypass capacitors at the 8301, 8302,... | John Impellizzeri | The RAMTOP | Winter 1993 |
| How to Modify a Coleco Adam Power Supply for your QL | Update Magazine | July 1989 | |
| How to Wire a Big Keyboard Although the ZX80 has many fine features, some people complain about the small pads of the touch keyboard that comes... | Syntax | December 1980 | |
| I/O Ports: Centronics Port | LISTing Newsletter | November 1985 | |
| IBM-AT Keyboard Interface for the ZX-81 | ZXir QLive Alive! | Autumn 1996 | |
| IEEE-488 for Sinclair Users It is not widely known that the COMMODORE serial port is a simple form of the IBEE-488 GPIB with serial... | Update Magazine | January 1990 | |
| Improved TS-2068 Internal ROM Bypass I | ZXir QLive Alive! | Summer 1999 | |
| Improved TS2068 Internal ROM Bypass Detailed hardware design for replacing the TS2068’s HOME ROM and EXROM without opening the computer case, using the cartridge slot... | William J. Pedersen | Timelinez | July-December 1989 |
| Improved TS2068 Internal ROM Bypass | LISTing Newsletter | March 1989 | |
| Improving the QL’s Sound In this article I will describe a couple of ways to improve the sound output of the QL. While I... | John Impellizzeri | International QL Report | November/December 1993 |
| Improving the Spectrum Emulator EMU Adding pull-up resistors to a Spectrum emulator cartridge. | LISTing Newsletter | September 1985 | |
| Improving Timex/Sinclair Tape Loading Reduce troublesome dropouts and noise problems with a Z-Dubber. Schematic and PCB layout for the Z-Dubber is provided. | Computers & Electronics | September 1983 | |
| Improving Your ZX-81 Circuit modification to improve reliability of SAVEs. | Electronics Today International | September 1983 | |
| Improving Zebra Graphics Tablet | LISTing Newsletter | April 1986 | |
| Increase Your Memory Replace the internal RAM chip in a ZX-81 or TS 1000 with 8K static RAM. | ZX-Appeal | December 1985 | |
| Input Port Capture data through a port, place it into a CPU register. | Syntax | August 1981 | |
| Input/Output: A Big Keyboard Instructions on interfacing a full-size keyboard to the TS 1000. | Sinclair Users Network | January 1983 | |
| Install A Reset Switch | VISTA Newsletter | ||
| Installing a UHF Modulator Convert the ZX81 to UHF as a way of combatting interference. | SYNC | January/February 1983 | |
| Installing a UHF Modulator | LISTing Newsletter | November 1991 | |
| Installing the SCLD | CATS Newsletter | November 1986 | |
| Interface a Joystick to Your TS-1000 or ZX81 | Nite-Times News | September - October 1988 | |
| Interface for RAM in T/S 2068 I/O Ports Requires Oliger expansion board. | Sinc-Link | May/June 1989 | |
| Interface to the Real World Add an 8-bit latch to the ZX80 or MicroAce, mapped to 3000H (12288). Includes schematic. | Syntax | January 1981 | |
| Interface Zero on an Oliger 2068 Read Board | LISTing Newsletter | July 1985 | |
| Interfacing a Real Printer to the Timex/Sinclair 1000 Author uses the CAI/O interface board to connect his upgraded MicroAce to an Okidata Microline 92. | Sinclair Timex User Group Newsletter | May 1983 | |
| Interfacing Tips and Troubles: Interfacing the Sinclair Computers, Part One Introduction to interfacing the 1000, 1500, 2068 and a schematic for interfacing. | The Computer Journal | ||
| Interfacing Tips and Troubles: Interfacing the Sinclair Computers, Part Two Basic and machine language routines for interfacing. Tri-state interface schematic. | The Computer Journal | ||
| Interfacing Tips and Troubles: Memory Mapped I/O on the Sinclair ZX81 Memory-mapped IO on a Timex/Sinclair computer. | The Computer Journal | ||
| Interfacing with Brother’s EP44 Typewriter | LISTing Newsletter | June 1984 | |
| Internal 64K RAM for the TS/ZX Upgrade to 64K with a 43256 static RAM chip and some memory decoding. | Time Designs Magazine | May/June 1987 | |
| Internal RGB/Reset Button Modification for the T/S 2068 | LISTing Newsletter | October 1984 | |
| Internal RGB/Reset Button Modification for the TS 2068 | LISTing Newsletter | December 1992 | |
| Introduction to Computer Control Introduction to using the TS 1000 as the basis for a robot. | Time Designs Magazine | May/June 1985 | |
| Joystick (IN 31) Project to create a Spectrum joystick port on a cartridge for the TS 2068. | SIN | December 1985 | |
| Joystick Port Modification for Trakball Describes a hardware modification to the TS2068 player 2 joystick port: breaking the trace from pin 7 and jumpering to... | Rita Carr | Timelinez | January 1985 |
| June Hardware Project: Modem Fix | The RAMTOP | June 1986 | |
| Just for Thought | ZX-Appeal | October - November 1987 | |
| Keep Your Cool Techniques for improving cooling in the ZX81 and its RAM pack. | Sinc-Link | ||
| Key Board Mania, Part 3 | LISTing Newsletter | April 1986 | |
| Key Click Generator This simple circuit will produce an audible tone whenever the ZX80 screen is blanked, yielding a click to indicate key... | SYNC | May/June 1981 | |
| Keyboard Alternatives Alternatives to the Sinclair keyboard: overlays, beepers, full keyboards. Plans for wiring your own keyboard and list of keyboard alternative... | SYNC | January/February 1984 | |
| Keyboard Conversions for ZX/TS Overview and how-to attach a full-size keyboard to a ZX81 or TS1000. | SQ Syntax Quarterly | Winter 1982 | |
| Keyboard Interface for the TS1000 and the 2068 | Sinc-Link | September/October 1990 | |
| Keyboard Mania – Part 6 Reprinted from the July-August-September Summer Mega Issue of LIST. | Cedric Bastiaans | Nite-Times News | January/February 1994 |
| Keyboard Mania, Part 1 | LISTing Newsletter | February 1986 | |
| Keyboard Mania, Part 1 | Nite-Times News | January - February 1993 | |
| Keyboard Mania, Part 2 | LISTing Newsletter | March 1986 | |
| Keyboard Mania, Part 2 | Nite-Times News | March - April 1993 | |
| Keyboard Mania, Part 3 | Nite-Times News | May - June 1993 | |
| Keyboard Mania, Part 4 | LISTing Newsletter | May 1986 | |
| Keyboard Mania, Part 4 | Nite-Times News | July - August 1993 | |
| Keyboard Mania, Part 5 | LISTing Newsletter | June 1986 | |
| Keyboard Mania, Part 5 | Nite-Times News | November - December 1993 | |
| Keyboard Mania, Part 7 | Nite-Times News | March - April 1994 | |
| Keyboard Mania, Parts 6 & 7 | LISTing Newsletter | July - September 1986 | |
| Keyboard/System Conversion: The First 40/1 Keys The fundamental conversion described here can be made with almost any KB switch array. 40 keys, new or used, so... | SYNC | May/June 1982 | |
| Larken & Hunter Add a switch to the Hunter 8K memory board so it will work with the Larken DOS ROM, which occupies... | Sinc-Link | November/December | |
| Larken Lines | The Plotter | January 1988 | |
| Letter from Edward Loxtercamp Offers help to users who want to build his RS-232 interface. | Triangle Sinclair Users Group | December 1985 | |
| Letters BBS software for 2068; redirect screen output to printer; circuit to map one key to two key closures; number of... | Time Designs Magazine | September/October 1986 | |
| LKDOS Off Switch (For MAX DOS Operation) Add an off switch to resolve conflicts with Oliger NMI functions. | Update Magazine | January 1989 | |
| Load and Save Easier with LED VU Meter | The Plotter | November 1985 | |
| Load/Save Switch | LISTing Newsletter | February 1996 | |
| Logic Analyzer After seeing a $12,000 logic analyzer by Hewlett-Packard. I was going to build a logic analyzer controlled by my 2068. | SUM | ||
| Low Cost High Tech 2068 Burglar Alarm How to use your 2068 as an alarm system, connected to the joystick ports. | Time Designs Magazine | March/April 1986 | |
| Low Cost Voice Recognition for the TS-2068 With a new chip recently offered for sale through Radio Shack distributors and a few other parts, a speaker-independent word... | Update Magazine | April 1989 | |
| Machine Code Development System For Your Timex Sinclair 1000 Turn your Timex Sinclair 1000 or Sinclair ZX81 into a high-speed, machine-code development system. | ComputerDigest | January 1985 | |
| Machine Code Development System For Your Timex Sinclair 1000 Part II Turn your Timex Sinclair 1000 or Sinclair ZX81 into a high-speed, machine-code development system. | ComputerDigest | March 1985 | |
| Machine Code Execution Above 32K Execute machine code with addition of one chip to create new logic signal. | Sinclair Timex User Group Newsletter | October 1983 | |
| Machine to Machine Transfers | LISTing Newsletter | May 1984 | |
| Machine to Machine Transfers | LISTing Newsletter | Sample Issue | |
| Make the Tasman ‘B’ Centronics Printer Interface Work with the Larken DS400 Changes to make Tasman B and C printer interfaces work better with Larken disk system. | Update Magazine | January 1993 | |
| Make the Tasman ‘B’ CPI Work With the Larken DS-400 | Nite-Times News | January - February 1993 | |
| Make Your Own 2068 & TS1000 EPROM Progammer Here is a project that will let you “burn” (program) EPROMS using your computer. It will handle either the 2764... | SyncWare News | Mar-Apr 1985 | |
| Making a Wafadrive Parallel Printer Cable How to build a parallel (Centronics) printer cable that connects to the Rotronics Wafadrive. | Update Magazine | October 1991 | |
| Making a Wafadrive Parallel Printer Cable | ISTUG Newsletter | January - February 1990 | |
| Making Professional PC Boards | LISTing Newsletter | March 1997 | |
| Making the 1000/ZX81 Even Better | ZX-Appeal | Summer 1990 | |
| Making the T/S 1000 & ZX-81 Even Better | SWYM | January 1990 | |
| Marathon Operating Times for the Timex-Sinclair Techniques for preventing overheading-related shutdown. | Sinclair Timex User Group Newsletter | September 1983 | |
| MAX 1000: Make the Most Popular “Mods” Compatible On Your TS1000 Collection of upgrades/modifications to the 1000. | Time Designs Magazine | September/October 1987 | |
| Mem Saver | Keyboards | November-December 1985 | |
| Memopak RAM and TS 2040 Printer Compatibility | ISTUG Newsletter | July - August 1990 | |
| Memory Decoding Above 16K Sinclair made the ZX81 RAM easy to decode up to 16K, but you may want to add memory beyond this... | Syntax | May 1982 | |
| Memory Expansion for the ZX-80 Upgrading the ZX-80 to 16K with a Jade Computer Products MEM-16151K S100 board. The memory board uses 2114-type static RAM... | Byte | January 1982 | |
| Memory Improves With Age | ZXir QLive Alive! | Summer 2000 | |
| Micro Juice Owners of the Sinclair ZX80 and MicroAce rapidly discover that interruptions of power can cause headaches, not to mention the... | SYNC | March/April 1981 | |
| MIDI | LISTing Newsletter | September 1994 | |
| Mini-Motherboard | Sinc-Link | January/February 1989 | |
| Miracle Systems Serial/Parallel Printer Interface | LISTing Newsletter | February 1991 | |
| Misc Notes: Monitor Problems | Timex Sinclair Users Group Mile High Chapter Newsletter | November-December 1987 | |
| Mod to Use Hunter RAM with > 32K Hunter boards require a modification to work on systems with more than 32K RAM. | Syntax | February 1983 | |
| Modem Fix (2050) | The Plotter | January 1987 | |
| Modems and the Phone Line: A Cautionary Tale | LISTing Newsletter | April 1992 | |
| Modems and the Phone Line: A Cautionary Tale | Sincus News | March - April 1987 | |
| Modifying the Star NX1000 with the AERCO Printer Interface | SMUG Bytes | November 1988 | |
| Monitor Connection on a TS-1500 | VISTA Newsletter | ||
| Monitor for Timex 2068: RGB Conversion Describes connecting a Sears Model 4064 color monitor ($364) to a TS2068 via RGB cable (Model 6539) and an E.Z.... | Phil McConaghey | Timelinez | February/March 1985 |
| Monitor Output for the TS-1000 & 1500 Schematics for adding monitor connectors to each computer. | SUM | July 1985 | |
| Monochrome Monitors: Making Yours Brighter T have a PC with QXL-Card and SMSQ/E. But I still use a normal German QL with floppies, Trumpcard and... | International QL Report | March/April 1996 | |
| More 16K RAM Solutions Brief hardware tip reporting two defects found in Sinclair 16K RAM packs: cut leads in the internal ribbon connector causing... | Herb Sturges | Syntax | April 1982 |
| More Legendary Timex-Sinclair 1000 and Sinclair ZX-81 Information Review of JazzoFire, a compilation of Paul Bingham’s Classy Front End series. | ISTUG Newsletter | March - April 1992 | |
| More on Z-XLR8 This is not intended to be a “review”, will leave that exact detail to your fine reporting. I do want... | John Ahlfeld (KB4XH) | QZX | October 1983 |
| More On-Board Memory For ZX-81/TS-1000 Options for internal memory upgrades to these computers. | Sinclair Timex User Group Newsletter | Winter 1985 | |
| My Pet Dinosaur Interfacing a Model 28 teletype to a TS 2068. | Triangle Sinclair Users Group | November 1985 | |
| New Locations for M/C Routines in a 64K RAMPack | LISTing Newsletter | January 1994 | |
| New Locations for M/C Routines in a 64K RAMpack Small hardware modification to allow machine code programs to run in the 32-48K RAM space. | Sinc-Link | May/June 1988 | |
| New Locations for MC Routines in a 64K RAMpack | LISTing Newsletter | December 1990 | |
| Next Workshop Let’s get together and get it together! Barry Washington, Cliff Watson, myself and others expect to be there with soldering... | Herb Schaaf | CATS Newsletter | April 1991 |
| Ni-Cad Charger Constant current charger for TS 1000. | ZXir QLive Alive! | Spring 1994 | |
| On Board Computer While for many years the upper echelon of the aviation community has enjoyed the benefits of high-tech devices, general aviation... | CATS Newsletter | May 1985 | |
| On the Extra Simple Spectr/Emulator | LISTing Newsletter | September 1985 | |
| One Chip Mods Modify memory-mapped Byte-Back modules to work better with an expanded TS1000. | SyncWare News | Nov-Dec 1985 | |
| One Chip Mods: Kempstonize Your Joystick Port Although the circuit described can be built on an external card perfectly well, it is somewhat unique in that it... | SyncWare News | Jan-Feb 1987 | |
| One Chip Mods: Recycle that 16K RAM pack Instructions on how to alter a standard 16K RAM pack to work as 2 8K banks in the 8-16K region... | SyncWare News | Jan-Feb 1986 | |
| One Chip NVM Correction Improved schematic for design from July/August 1986 newsletter. | ZX-Appeal | December 1986 | |
| One-Chip Mods: Built-in NVM 8K RAM mapped to 8-16K region, internal to the computer. Compatible with Hunter board. | ZX-Appeal | July/August 1986 | |
| Online With The QL The September/October IQLR mentioned that 41% of those responding to the questionnaire used their QL’s primarily for communications. Although, this... | Ron Blizzard | International QL Report | November/December 1991 |
| Paging Control One of the advantages of building a ZX81 from a kit was that you got a schematic with the manual,... | Paul Hunter | SyncWare News | 1984 |
| Parallel to Serial Interface | LISTing Newsletter | February 1995 | |
| PET ASCII Output Program for the Timex/Sinclair ZX81 This article describes a project which may be useful for anyone desiring to use software for the ZX81, TS1000 or... | SyncWare News | Jan-Feb 1986 | |
| Phone Dialer Circuit and program to turn the ZX80 into a phone dialer (mechanical). | Syntax | February 1981 | |
| Phone Line Filter | LISTing Newsletter | September 1990 | |
| Phone Line Filter Describes building a simple phone line filter using a 2µF capacitor and 2.75K resistor to reduce modem noise at 2400... | James DuPuy | The RAMTOP | 1st Qtr 1990 |
| Playing With Electricity Adding a 6821 peripheral interface adaptor to the QL. | ZX-Appeal | December 1986 | |
| Playing With Electricity: 64K EPROM Card | ZX-Appeal | May 1988 | |
| Playing With Electricity: Printer Interface Circuit | ZX-Appeal | January 1987 | |
| Playing With Electricity: QL Digitizer | CATS Newsletter | July 1988 | |
| Playing With Electricity: Video Digitizer | ZX-Appeal | January 1988 | |
| Playing With Electricity: What the hell is a modaptor anyway? | ZX-Appeal | April 1988 | |
| Poor Man’s Modem | LISTing Newsletter | April 1992 | |
| Poor Man’s Modem | LISTing Newsletter | October 1985 | |
| Poor Man’s MODEM | CATS Newsletter | July 1985 | |
| Port Project #1: Data Communications Between Two Computers This first project gives you the basis of a very useful application involving I/O ports–communicating between two computers. | Pro/File Updates | October 1985 | |
| Port Projects: Get the LED-OUT In any number of monitoring and/or control uses for your ZX/TS, you may find that using a TV set to... | SyncWare News | Nov-Dec 1984 | |
| Portable Computing Describes connecting the QL to a Brother EP-22 printer over a serial cable for portable use while traveling, and covers... | Steve Berg | The Sinc Times | February 1987 |
| Power Supplies | LISTing Newsletter | February 1985 | |
| Power Supply and the 2068 Upgrading power supply and reducing noise. | Sinc-Link | January/February 1989 | |
| Power Switch for TS 2050 Modem | ISTUG Newsletter | December 1986 | |
| Problem-Solving Circuits If your power line voltage is 120V or higher and you use a 16K RAM, heat build-up in the ZX81... | Syntax | May 1982 | |
| Program Blitz Attempt to cure program loss due to wobble by repairing insulating pieces inside ram pack. | Synchro-Sette | April 1982 | |
| Protect Your Computer from Line Transients Explains how to install a GE MOV V130LA10 metal-oxide varistor across the power line to protect the TS1000 from voltage... | Robert Wilson | Timelinez | |
| Protecting Your Programs Against LILCO | LISTing Newsletter | December 1989 | |
| Protecting Your Programs Against LILCO | LISTing Newsletter | July 1987 | |
| Pseudo-ROM | LISTing Newsletter | March 1994 | |
| Pseudo-ROM The dot patterns for the displayable characters are held in a table in ROM, in locations 1E00 to 1FFF hex.... | QZX | October 1992 | |
| Put MSCRIPT on EPROM Describes how to make an AROS EPROM cartridge from the original MSCRIPT tape version. | SyncWare News | March-April 1987 | |
| QL Color Composite Monitor Jack | Nite-Times News | January - February 1989 | |
| QL Cooling Problems, Part 1 | LISTing Newsletter | December 1987 | |
| QL Corner: Computer Fair, Serial Chip Replacement | LISTing Newsletter | April 1995 | |
| QL Corner: Power Supply Repair | LISTing Newsletter | December 1993 | |
| QL Corner: Power Supply Repair | LISTing Newsletter | February 1994 | |
| QL Corner: Programming EPROMs | LISTing Newsletter | December 1996 | |
| QL Corner: QL Power Supply | LISTing Newsletter | February 1994 | |
| QL Corner: Rehousing a QL | LISTing Newsletter | September 1997 | |
| QL for Joy | LISTing Newsletter | July 1987 | |
| QL Heat Problem Corrected | Sincus News | September - October 1989 | |
| QL Keyboard Membrane Repairs | Sinclair Timex User Group Newsletter | September - October 1989 | |
| QL One-Chip Mod | CATS Newsletter | June 1987 | |
| QL RAM Extension The accompanying circuit is an application of the TMS4500A as RAM extension for the 68008. This chip can drive a... | Update Magazine | October 1988 | |
| QL RAM Extension | ZX-Appeal | Summer 1988 | |
| QL Real-Time Clock | ZX-Appeal | Summer 1987 | |
| QL Real-Time Clock | SLUG Newsletter | Special Edition | |
| QL Remedies | The RAMTOP | Winter 1989 | |
| QL RGB Monitor Connection This is an excerpt from “SQ” NOTES by R.A. Hilsmann from the July issue SMUG Bytes. The newsletter of the... | Dave Bennett Rudy A. Hilsmann | Harrisburg Area Timex Sinclair Users Group Newsletter | Nov 1989 |
| QL Serial Connections Provides wiring diagrams for connecting the QL SER2 port to a modem and for a direct QL-to-PC serial cable. Includes... | Harvey Taylor Mark Wahl | The RAMTOP | Winter 1993 |
| QL Serial to Parallel Converter Full circuit documentation for converting the Sinclair QL’s 9600-baud serial RS232 output to Centronics parallel format, enabling use of standard... | Rex Lundgren | Timelinez | February 1989 |
| QL Tip Using a 1200 baud modem without a Modapter. | The Data Expansion | October 1987 | |
| QL Tip: 1200 Baud Modem | CATS Newsletter | September 1987 | |
| QL to IBM RGB Monitor Connections | LISTing Newsletter | December 1994 | |
| QL to IBM RGB Monitor Connections | LISTing Newsletter | March 1991 | |
| QL to IBM RGB Monitor Connections In the past few weeks I have had three requests for information on hooking-up an IBM CGR or RGB Monitor... | Bob Gilder | NESQLUG News | March/April 1991 |
| QL to Monitor — Come In! Buffering the QL Connecting a reconditioned monitor to the Sinclair QL. | The Data Expansion | December 1987 | |
| QL to Monitor… Come In! Buffering the QL | CATS Newsletter | November 1987 | |
| QL to PC Clone Cable | Timelinez | July - August 1988 | |
| Qool QL Some of you who have never encountered heating problems with your QL before, might discover that about August 15, or... | Time Designs Magazine | July/August 1987 | |
| Quick and Easy Video Output for the ZX81 and TS 1500 | LISTing Newsletter | May 1992 | |
| Quick and Easy Video Output for the ZX81 and TS1000 | ISTUG Newsletter | January - February 1992 | |
| Radio Shack MC10 | Sinclair Users Group | April 1984 | |
| RAM Decoding for ZX81 Last March we published Al Salt’s plans for adding external RAM to ZX80s. To adapt his Build Additional RAM (SYNTAX... | Syntax | February 1982 | |
| RAM Extension For The QL (512K) Here is a circuit diagram which can be used as the basis for a 512K RAM expansion for the QL.... | Guillermo Antonio Garcia (LU8MAD) | QZX | July 1990 |
| RAM Pack Repairs | SUM | ||
| RAMKIT: Build your own 64K RAM Build the RAM module with parts from Gladstone Electronics | Timex Sinclair User | December 1983 | |
| Regulator Modification to 2068 | The Plotter | September 1986 | |
| Repairing the QL The QL computer is a comparatively easy machine to repair as most it’s functions are controlled by specially designed ULA... | International QL Report | January/February 1995 | |
| Repeat Key | SWYM | September 1989 | |
| Repeat Key Option A repeat key option is relatively simple to build and install. | SYNC | September/October 1982 | |
| Reset Switch for ZX81 and 2068 | CATS Newsletter | November 1987 | |
| Retrace Lines: 2068 and RGB Monitor Like several others, I wanted to use the nifty thrifty Skip Fisher RGB monitor with both my fascinating and formidable... | CATS Newsletter | January 1989 | |
| Reverse Video | The Plotter | ||
| Reverse Video Monitor Driver This circuit, using the concept published in Electronics, drives a video monitor and reverses video on demand. | Syntax | March 1983 | |
| Reviews For The Non Programmer I’ve been struck by lightning and in spite of Zenkar’s diode (see ad) a fuse, a circuit breaker and a... | Arthur Gindin | T-S Horizons | July/August 1984 |
| Revised Schematic of Digi-Dubber | Sinc-Link | September/October 1989 | |
| Revising a Hunter Board to Hold 32K Bank Switchable NVRAM With HM6264LP-I5 28 pin RAMS at less than $4 each, l have devised a not-too-difficult revision to a Hunter board... | T-S Horizons | May/June 1986 | |
| Reviving the 2068 Keyboard Techniques for fixing a 2068 keyboard. | SUM | July 1985 | |
| RGB Interface for the TS2068 Ever since I purchased my TS2068 I have longed for a REAL RGB interface. Sure, the display is OK on... | Time Designs Magazine | July/August 1987 | |
| RGB Monitor (for 2068) Instructions for connecting RGB monitor with DIN (round) connector. Transistor sync separator circuit. | Sinc-Link | May/June 1985 | |
| RGB Monitor Cable There has been renewed interest in the “Skip Fisher” adapter/buffer cable for the QL RGB monitor output. As many know,... | LeBaron Washington | CATS Newsletter | April 1991 |
| Robotics on a Budget The Project A little over a year ago I decided to start building a robot. I had no idea that... | SYNC | July/August 1983 | |
| ROM Bypass Board PCB layouts | Update Magazine | July 1994 | |
| ROM Bypass Circuit Description Board to bypass 0-16K of the HOME bank and 0-8K of the EXROM bank. | Update Magazine | October 1992 | |
| ROM/EXROM Bypass Board for External Eproms Notes and schematics that expand on William J. Pedersen’s ideas. | Update Magazine | July 1993 | |
| ROMPAK The Rompak cartridge can instantly load programs, such as games or utilities, into memory. The cartridge is memory mapped in... | T-S Horizons | January 1985 | |
| RS-232 Peripheral Interface Recently I have been engaged in a project to collect temperature data to analyze the thermal properties of homes. This... | Will Horton | International QL Report | May/June 1992 |
| RS-232 to Video – The Easy Way With the trusty ZX81/TS1000 destined for a place in a dusty closet, here’s a way to put it to use... | Ambrose Barry (W4GHV) | QZX | September 1983 |
| RS232 I/O Revisted | Sinc-Link | May/June 1993 | |
| RS232 Port Added to Timex 2050 Modem Card | ZX-Appeal | January 1988 | |
| RS232 Port Added to Timex 2050 Modem Card | Sincus News | May - June 1987 | |
| RTTY Send Program & Interface for the Sinclair/Timex ZX81 One of the things in operating RTTY with non-electronic gear has been the nuisance of identifying. here is a lot... | Brian Davis (W9HLQ) | QZX | November 1983 |
| Run TS1000 Machine Code in High Memory This trick was originally published in Syntax Quarterly, Summer 1983. It will allow you to use the 32-48K RAM area... | SyncWare News | May-Jun 1985 | |
| Run Your Memotech 64K on the 2068 Advice on adding 64K RAM units to your 2068 system in a manner which would not require additions or modifications... | SyncWare News | Jan-Feb 1987 | |
| Running a Gold Card from 5 Volts The QL normally runs as we all know from 9 volts, which if you have transfered your QL to a... | International QL Report | May/June 1995 | |
| Running the Unrunnable Spectrum Programs | Sincus News | April 1985 | |
| Saga 3 Elite Keyboard Review | Nite-Times News | March 1987 | |
| Say What? Simple speech recognition hardware and program for ZX/TS computers (with at least 16K RAM). | Brad Bennett | SYNC | November/December 1983 |
| SCLD Character Select Switch Schematic Technical schematic (DRW No. SRC 0549) showing the wiring for a character select switch for the Sinclair ZX81 SCLD chip,... | Timex Sinclair Users Group Mile High Chapter Newsletter | Sep 1987 | |
| Sears RGB Monitor | LISTing Newsletter | February 1985 | |
| Sears RGB Monitor Improve Composite Video | LISTing Newsletter | January 1986 | |
| Seeking a Cheap Output? This article describes how to construct your own simple and inexpensive output line. The project is ideal for low-end micro... | Microcomputing Magazine | October 1983 | |
| Serial Interface for the QL | ZX-Appeal | February 1987 | |
| Servo Interface Connect a ZX81 to servos. | Electronics Today International | August 1984 | |
| Setting-Up RGB/CGA Video Monitors “Why is an RGB monitor better than a composite monitor”? This question has been asked over and over again. In... | Bob Gilder | International QL Report | May/June 1992 |
| SGC Printer Cable Having assembled my QL in a MID-Size Tower Case it became apparent with the purchase of a Super Gold Card... | International QL Report | September/October 1994 | |
| Signal Booster | Sincus News | May - June 1986 | |
| Signal Booster Use an audio transformer to boost tape signal. Reprinted from Sincus News, May/June 1986. | ZX-Appeal | October 1986 | |
| Signal Booster Correct cassette loading problems with this transformer-based signal booster. | Sinc-Link | November/December 1986 | |
| Simple 2068 Out Port (Part 2) Use optoisolators to protect computer from output circuitry. | LISTing Newsletter | February 1985 | |
| Simple Modem Upgrade | CATS Newsletter | May 1987 | |
| Simple MODEM Upgrade | ZX-Appeal | March 1987 | |
| Simple Modem Upgrade | Nite-Times News | January - February 1989 | |
| Simple Output Port | LISTing Newsletter | December 1983 - January 1984 | |
| Simple Output Port for ZX81 | LISTing Newsletter | September 1996 | |
| Simple Reset Switch Instructions and schematic for adding a debounced reset switch. | T-S Horizons | December 1983 | |
| Simple RGB Adapter for the T/S 2068 | LISTing Newsletter | September 1984 | |
| Simple RGB Adapter for the TS 2068 | LISTing Newsletter | December 1992 | |
| Simple RTTY TU Circuit This simple RTTY terminal unit provides a TTL output that can be connected directly to the ZX81. Shown is a... | Dallas Williams (WA0MRG) | QZX | April 1983 |
| Simple Sound Port Add a simple sound port to the rear of a Larken disk interface. | Sinc-Link | September/October 1988 | |
| Simple T/S 2068 Out Port As stated in part 1, the outputs of the Port or latch can drive LEDs directly however, it would be... | Bob Gilder | Computer Trader Magazine | September 1986 |
| Simple Video Inverter for ZX81 | ZX-Appeal | Summer 1988 | |
| Sinclair QL to IBM PC/XT Case Conversion Comprehensive step-by-step guide to housing the Sinclair QL motherboard and microdrives inside an IBM PC/XT case. Covers removing and separating... | Roger Hunter | Timex Sinclair Users Group Mile High Chapter Newsletter | Oct 1987 |
| Sinclair QL to IBM XT File Transfer | ZX-Appeal | Summer 1987 | |
| Sinclair QL/RS-232/Xerox Memorywriter Connection | LISTing Newsletter | March 1986 | |
| Sinclair Talks to PC/XT Routines to transfer files to/from a PC using a parallel printer interface. | Update Magazine | January 1990 | |
| Single-Key Shifted Functions Describes how to use diodes and integrated circuits to map a single key to a shifted-key function on the ZX81. | Sinc-Link | ||
| Slave CPU Processing: Applicable to ANY Host Computer Discusses how to apply techniques described in “Interfacing to S-100/IEEE 696 Microcomputers” by Sol Libes and Mark Garatz to the... | Update Magazine | January 1990 | |
| Smoother | LISTing Newsletter | Sample Issue | |
| So You Wished You Had Bought a TS2000 How would you like to have a computer with a color video display of fifteen colors, quality sound, high resolution,... | SYNC | July/August 1983 | |
| Software Compatible Joystick It’s a snap to connect an Atari-type joystick to the ZX81/TS1000; all it takes is direct connection to the keyboard... | Fred Nachbaur | SyncWare News | 1984 |
| Some Short Projects for Your Timex Sinclair Computers Not too long ago, (give or take a few years), I came home to a strange sight. Piled before the... | Patrick Spera | Computer Shopper | April 1985 |
| Sound for the ZX81 A hardware project adding an AY-3-8912 sound chip and joystick port to the ZX81/TS1000 via the expansion bus. Includes BASIC... | Rene Bruneau | Sinc-Link | July/August 1994 |
| Sound Generator for the ZX 81 Three tone generator, one noise generator project. Reprinted from Electronics, Dec 1982 – Feb 1983 issue. | Timex Sinclair User Group Newsletter: Ottawa Chapter | May 1985 | |
| Sound Generator for the ZX81 | LISTing Newsletter | February 1997 | |
| Spectrum Buss on 2068 | SUM | ||
| Spectrum Conversion Notes: The Spectrum Expansion Connector Convert the 2068 expansion connector to a Spectrum connector; add pull-up resistors to the EXROM socket; Spectrum Hardware Manual by... | Jack Keene | T-S Horizons | July/August 1985 |
| Spectrum Emulator One of the biggest drawbacks of the 2068 is the selection of software available for it. With the project described... | |||
| Spectrum Emulator Revisited | SUM | September 1984 | |
| Spectrum Hardware Restart Photocopied from the March 1986 issue of Practical Electronics. | Sinc-Link | July/August 1993 | |
| Spectrum I/O Controller | LISTing Newsletter | February 1997 | |
| Spectrum Motherboard Create an expansion board for your computer. | Sinc-Link | March/April 1990 | |
| SQ Notes Practical repair guide for Sinclair QL keyboard membranes with broken circuit traces. Describes using a VOM ohm meter with an... | Rudy A. Hilsmann | SMUG Bytes | September 1990 |
| SQ Notes: DIY ROM Switch | SMUG Bytes | October 1989 | |
| SQ Notes: QL to IBM RGB Connections | SMUG Bytes | July 1989 | |
| SQ-UP In David Ornstein’s premier issue article (SQ Winter 82 p. 29) Using Extra Keys on Big Keyboard, add a symbol... | Syntax | November 1983 | |
| Static RAM on Cartridge One area which peaked my interest is the idea of adding more memory. I was excited about the idea of... | May-June 1986 | ||
| Store BASIC on EPROM with an EPROM Programmer Construction article for an EPROM programmer for the ZX81/TS 1000. | Sinc-Link | November 1984 | |
| Super Data Save Construction tips and parts list for a load filter and software package for the ZX81/TS1000. | Sinc-Link | September/October 1986 | |
| Super Joystick Use readily available hardware to create a full-function joystick compatible with the ZX81. | Syntax | July 1983 | |
| Supply Protector Battery backup power supply for ZX81. | Electronics Today International | February 1984 | |
| Surplus Keyboard Improvements for Extra Shifted Keys The TI 99-4A keyboards, still widely available, are an ideal unit for the ZX81/TS1000 computers. Recent and not so recent... | T-S Horizons | April 1986 | |
| Surplus Keyboards Plus Directions The $20 surplus keyboards from John J. Meshna Jr., Inc., mentioned in the Dec. 81 issue, now come with wiring... | Syntax | February 1982 | |
| Switchable Spectrum ROM Project for the TS 2068 I recently purchased some Spectrum ROMs from Zebra Systems with the hope that I might be able to make my... | T-S Horizons | May/June 1986 | |
| System Expansion Hardware System Enclosures and Radio Frequency Interference; an add-on expansion bus. | SYNC | March/April 1983 | |
| T/S 1000 40K Non-Volatile Memory Expansion Project, Part II | SWYM | December 1989 | |
| T/S 1000/ZX81 External Keyboard Buffer | LISTing Newsletter | February 1996 | |
| T/S 2068 Serial Cable Fellow TS 2068 users. I have found over the last few months that. some of the information needed to complete... | Gaylen Bench | CATS Newsletter | July 1991 |
| T/S 2068-Spectrum ROM Module | LISTing Newsletter | Sample Issue | |
| Tactile Feedback for a Dime | Timelinez | July - August 1983 | |
| Tales From the Chip | CATS Newsletter | March 1986 | |
| Talk Can Be Cheap Interface a ZX80/81 or TS1000 to a Texas Instruments Speak & Spell. | Computers & Electronics | February 1983 | |
| Tape Amplifier for Loading Weak Tapes Circuit diagram for an op-amp based signal booster. | Sinc-Link | November/December 1985 | |
| Tape Amplifier for Loading Weak Tapes | Keyboards | November-December 1985 | |
| Tape Head Alignment | LISTing Newsletter | November 1984 | |
| Tape Head Alignment How to adjust the tape head azimuth to ensure consistent program loading. | Sinc-Link | ||
| Tape Level Indicator Bar-graph level indicator using LM3914. | Syntax | October 1982 | |
| Teac 3.5″ ED Disk Drives Teac has released yet another version of their popular ED disk drives. The new drive number is TEAC FD-235J 5637.... | Bob Dyl | International QL Report | September/October 1994 |
| Technical Report: ZX Spectrum Modifications to U.S.A. Standards | LISTing Newsletter | March 1985 | |
| Technical Tips for the Timex Add a repeat key to the TS1000. | T-S Horizons | November 1983 | |
| The “Truly Portable” Sinclair/Timex Powering a T/S 1000 from Polaroid SX-70 batteries and a simple reset switch circuit. | Computers & Electronics | August 1983 | |
| The 192K ZX/TS Laptop Project | ZX-Appeal | June 1989 | |
| The Amazing Digi-Dubber | Sinc-Link | July/August 1989 | |
| The Art Gallery These drawings were omitted from the article “Retrace Lines: 2068 and RGB Monitor” by Herb Schaaf, published in the January... | CATS Newsletter | April 1989 | |
| The Automatic Tape-Recorder Controller Reprinted from Powerful Projects with Your Timex/Sinclair. | LISTing Newsletter | April 1995 | |
| The Cassette Connection | ZX-Appeal | Summer 1988 | |
| The Cassette Connection With this issue, we start a “mini-series” on improving cassette reliability. I’m sure you’ll agree that unreliable LOADs are perhaps... | Fred Nachbaur | SyncWare News | 1984 |
| The Cassette Connection In Volume 1, I ran a series on improving cassette reliability on the ZX81. Well, now that the TS2068 has... | SyncWare News | Jan-Feb 1985 | |
| The Custom Cooler It’s sad but true that the ZX81/TS1000 machines tend to be sensitive to overheating in the summer. With a solderless... | Fred Nachbaur | SyncWare News | 1984 |
| The Custom T/S Let’s start our series on T/S reliability improvement with some simple but effective ways to make your basic machine virtually... | Fred Nachbaur | SyncWare News | 1984 |
| The Digitizer | SMUG Bytes | December 1988 | |
| The Digitizer | SMUG Bytes | January 1989 | |
| The Digitizer | SMUG Bytes | March 1989 | |
| The Digitizer and A Problem Found: Notes from Marty | SMUG Bytes | April 1990 | |
| The Digitizer and What’s Happening | SMUG Bytes | February 1990 | |
| The G4IDE RTTY Terminal Unit This terminal unit was, of course, designed to be used with my ZX81 RTTY program. However it is equally suitable... | QZX | November 1983 | |
| The Great RAM Rescue Reprint of article from SYNC magazine. | Sinc-Link | May/June 1987 | |
| The Great RAM Rescue The Unused 1K-2K Space So, do those of you who have upgraded your ZX81/TS1000 to 16K ever feel sorry for... | Randall Glidden | SYNC | March/April 1984 |
| The IKI Interface Schematic of IBM keyboard to TS 2068 interface. | ZXir QLive Alive! | Spring 1996 | |
| The Interface Zero: Adding Microdrives to Your 2068 | Sincus News | March 1985 | |
| The Joy of Joysticks: Add This to “Repeat-Key!” | SWYM | February 1990 | |
| The Oliger System: Minireview | LISTing Newsletter | March - April 1987 | |
| The Portable Timex Reprinted from Computers & Electronics, August 1983. | CATS Newsletter | November 1983 | |
| The Problems I’ve Seen Dennis has asked me to add some comments about my experiences repairing QL motherboards. I haven’t taken detailed notes while... | Don Walterman | International QL Report | January/February 1995 |
| The Re-chargeable BBU Now we’ll make some changes and additions to “El Cheapo BBU” that will allow us to use rechargeable “NiCad” cells... | Fred Nachbaur | SyncWare News | 1984 |
| The RGB to NTSC Converter In Other Words Rock Solid Video Converter using LM1377, from article in December 1989 issue of Radio Electronics. | SMUG Bytes | February 1990 | |
| The Sinclair Z88: Considerations for Peripheral Design Since the Z88 uses the Z-80 CPU, some of our better interfaces for the TS-2068 offer the prospects for easy... | Update Magazine | January 1990 | |
| The Sincus Light Pen | Sincus News | September - October 1986 | |
| The Sincus Light Pen TS2068: An Experimental Project | Sinc-Link | January/February 1991 | |
| The Solid State Disk Drive (Part 2) Four part construction article on building an EPROM/SRAM storage device for the TS 1000. | James Oram | Computer Trader Magazine | August 1984 |
| The Solid State Disk Drive (Part 3) Four part construction article on building an EPROM/SRAM storage device for the TS 1000. | Computer Trader Magazine | September 1984 | |
| The Solid State Disk Drive (Part 4) Four part construction article on building an EPROM/SRAM storage device for the TS 1000. | Computer Trader Magazine | October 1984 | |
| The TIMEXsinclair 2068: Bank Switching and Memory Expansion A landmark technical article proposing interim standards for expanding the TS2068 beyond its standard memory limits. Introduces a Bank Switching... | William J. Pedersen | Timelinez | May/June 1989 |
| The TS2068 Equipped with Microdrives & EMU-1 | LISTing Newsletter | December 1983 - January 1984 | |
| The Z88 and Telecommunications The Z88 is particularly well suited for communicating to modems and other computers. A serial port which communicates up to... | Dave Bennett | CATS Newsletter | July 1990 |
| The ZX Breadboarder: A Proportional Joystick Interface | ZX-Appeal | March - April 1989 | |
| The ZX Breadboarder: The Digi-Dubber | ZX-Appeal | May 1989 | |
| The ZX Printer and the 2068 | LISTing Newsletter | February 1986 | |
| The ZX-81/TS1000 Column | LISTing Newsletter | December 1991 | |
| The ZX/TS and 2716 450ns EPROMS You may run into trouble using 450ns 2716 EPROMs on your ZX/TS. | Syntax | May 1983 | |
| The ZX/TS Serial Link | ZX-Appeal | Summer 1990 | |
| The ZX/TS True 64K Internal NVM Upgrade | ZX-Appeal | February 1989 | |
| The ZX81/TS1000 Column Replacing the VHF modulator. | LISTing Newsletter | November 1991 | |
| Three Tips from Rex Lundgren Three hardware/software tips for TS2068: (1) Adding a third diode to the earphone input circuit (near CR5/CR6) to raise logic... | Rex Lundgren | Timelinez | June 1985 |
| TI99 Keyboard So, you got one of those TI99 keyboards from Radio Shack for $2.95 and still have not wired it up... | SyncWare News | Jul-Aug 1985 | |
| Tim’s Schematic: ZX81/TS1000 Out-Board Clock Module | ZX-Appeal | April 1988 | |
| Timex 2068 EPROMs (Part 2) | T. S. S. Newsnotes | July - August 1985 | |
| Timex 2068 User EPROMs | T. S. S. Newsnotes | May - June 1985 | |
| Timex 2068/Epson RX80 | Sincus News | May 1984 | |
| Timex Graphics | LISTing Newsletter | September 1990 | |
| Tips for the T/S 2068 Hardware modification tip describing replacement of the short factory cable on the T/S 2040 or Alphacom 32 printer with a... | Dennis Nickels | SMUG Bytes | March 1988 |
| TMS9918A Video Upgrade For The TS1000 As can be expected with any major hardware upgrade, there are a few conflicts when the Oliger video system is... | SyncWare News | Jul-Aug 1986 | |
| TMS9918A Video Upgrade: Part 1 The TMS9918A video project consists of two PC boards, a small modification/addition to the main computer board, and a +5,... | SyncWare News | Sept-Oct 1984 | |
| TMS9918A Video Upgrade: Part 2 This second installment involves some explanation of the changes to the operating system and how they have been implemented. By... | SyncWare News | Nov-Dec 1984 | |
| Tone Generator Generate tones on your ZX/TS by building this circuit and using a machine code routine with it connected. | Syntax | January 1983 | |
| Transfert de Fichers PC<->QL In this article, we will see how it is possible for the QL to communicate with another computer, in this... | Real Gagnon | SIN | October 1987 |
| Troubleshooting Disk-Drive Power Supplies | LISTing Newsletter | March 1997 | |
| Truly Portable Computers Letter to the editor from a Polaroid employee, suggesting the P100 Polapulse Powerpack as an alternative to SX-70 batteries for... | Computers & Electronics | October 1983 | |
| TS 1000 Hardware Mod Small, single capacitor mod to potentially improve video signal on TVs. | CATS Newsletter | May 1988 | |
| TS 1000 Keyboard Add-On Wire a keyboard to your TS 1000. | T-S Horizons | May/June 1985 | |
| TS 1000 Memory Expansion Mod to support adding a 2nd 16K RAM pack to the TS 1000. | LISTing Newsletter | January 1994 | |
| TS 1000 ROM Swap | LISTing Newsletter | December 1983 - January 1984 | |
| TS 1000 Signal Booster | ZX-Appeal | January 1987 | |
| TS 1000 Stability Tips | LISTing Newsletter | September 1992 | |
| TS 2040 Printer Switch | CATS Newsletter | September 1987 | |
| TS 2040 Printer Switch | CATS Newsletter | October 1987 | |
| TS 2040 Switch Placement | ISTUG Newsletter | February 1987 | |
| TS 2068 Printer Interface This month I will discuss building a printer interface for the 2068. With all the software out on the market... | Joseph Williamson | SUM | January 1985 |
| TS 2068 Printer Interface Last month when I started my article for the printer interface, I came up with the idea of using the... | Joseph Williamson | SUM | February 1985 |
| TS 2068-Spectrum ROM Module | LISTing Newsletter | November 1984 | |
| TS Help and Information: Modifications to Add-on Keyboard Add one-key shift-lock, delete and function keys to a TI keyboard converted for the 1000. | T-S Horizons | July/August 1985 | |
| TS-1000 Using 3 16K RAMPacks | LISTing Newsletter | July - September 1986 | |
| TS-2068 – CMOS on Board Change most ICs on 2068 to CMOS to reduce power consumption, for running off batteries. | ZXir QLive Alive! | Spring 1994 | |
| TS-2068 Cassette LOAD AID Meter Reprinted from CRAGIST newsletter March/April 1989. | ZXir QLive Alive! | Winter 2002 | |
| TS-2068 Home ROM Bypass | Nite-Times News | December 1988 | |
| TS-2068 Memory Expansion | Nite-Times News | March - April 1989 | |
| TS-2068 ROM ByPass Board Features and Options II | ZXir QLive Alive! | Autumn 1999 | |
| TS-2068 with Unlimited RAM capability Schematics and machine code to expand the 2068 RAM with port buffer, clock/calendar, 56K or 64K, expansion bank controller and... | Update Magazine | July 1988 | |
| TS1000 Keyboard Addition | Sincus News | May - August 1985 | |
| TS1000 Monitor Project | CATS Newsletter | December 1988 | |
| TS1000 Pulse Cleaner | LISTing Newsletter | December 1983 - January 1984 | |
| TS1000 RAM Pack Upgrades | ISTUG Newsletter | October - November 1987 | |
| TS1000 Turbo | LISTing Newsletter | April - May 1996 | |
| TS1000 Turbo | LISTing Newsletter | February 1996 | |
| TS1000 Turbo | LISTing Newsletter | March 1992 | |
| TS1000 Turbo Add a switch to add “turbo” mode to the TS1000. | Update Magazine | October 1995 | |
| TS1000 Video Driver | Sinc-Link | November/December 1989 | |
| TS1000 Video Driver Update | Sinc-Link | January/February 1990 | |
| TS1500 Fix A bug in the LOAD command that puts the stack pointer at the address where the bad load occurred. The... | SyncWare News | Jul-Aug 1985 | |
| TS1500 memory mod Expand TS1500 to 32K internally. | Update Magazine | July 1996 | |
| TS1500 Video Topics How would you like reverse video on your TV screen when using your TS1500? Not only is it possible, but... | SyncWare News | May-June 1986 | |
| TS2040 Printer Switch | ZX-Appeal | Summer 1987 | |
| TS2040 Printer Switch | LISTing Newsletter | April 1988 | |
| TS2068 Digitizer The club is selling digitizer boards. – For one assembled, tested and shipped the cost will be $49.95 + $3... | SMUG Bytes | February 1989 | |
| TS2068 Reset and Initialization Problems with Solution | LISTing Newsletter | May 1988 | |
| TS2068 Reset and Initialization Problems With Solution Reset solution for TS 2068. Works with base computer and expanded systems. | ZX-Appeal | October 1986 | |
| TS2068 Reset and Initialization Problems with Solution Describes how to add a reset switch to the 2068. | Sinc-Link | August/September 1986 | |
| TS2068 ROM to EPROM One of the ways in which a TS2068 can be put to use in an unconventional manner is to replace... | Alex Burr (K5XY) | QZX | August 1993 |
| TS2068 Serial Cable | The Plotter | March 1990 | |
| TS2068/Spectrum Microdrive | LISTing Newsletter | February 1985 | |
| TSMON | Sinc-Link | September/October 1989 | |
| Turbo Switch for the ZX-81 | ZXir QLive Alive! | Winter 1993 | |
| Turbo Switch for the ZX81 Transcribed from the Winter 1993 issue of ZXir QLive Alive. | Sinc-Link | January/February 1994 | |
| TV Sync Solution Dim lines and horizontal distortion moving up or down the screen are signs of the computer not syncing with horizontal... | Syntax | September 1982 | |
| TV to Monitor | CATS Newsletter | September 1985 | |
| Tweak & Tinker: QL Power Supply Unit | CATS Newsletter | October 1990 | |
| Tweak and Tinker It ain’t broke, why fix it? In a previous article (January and Apr 1989), I described the way to get... | CATS Newsletter | March 1990 | |
| Twister with power schematic | LISTing Newsletter | April 1985 | |
| Two Memories in One Space Simple solution to multiplex the 8k-16k memory space. | Sinclair Timex User Group Newsletter | April 1983 | |
| Two More on RGB | LISTing Newsletter | April 1986 | |
| Two Problem-Solving Circuits: Preregulator and Battery Backup Add a voltage regulator to your Sinclair power supply; build a batter backup unit. | Syntax | August 1982 | |
| Two Switch Human Interface for the Communicative Impaired The program will usually display three rows of characters on the screen at any lime: the upper alphabet (UA) row,... | SYNC | May/June 1982 | |
| Two-Fer One: A Double Duty Oliger Board | CATS Newsletter | December 1985 | |
| TYD*BYTS PC8300 VIDEO FIX One of the most common complaints with the PC8300 is that the characters tend to have a... | SyncWare News | November/December 1987 | |
| Tyd*Byts: Oliger Printer Port/Mscript Compatibility If you have a slight amount of hardware expertise, here is a simple, no-extra-parts-required, modification for the JLO parallel port... | Kent Cook | SyncWare News | September/October 1987 |
| Un-interruptable Power Supply Onward to replacing our good old wall-plug power supply with something more substantial. You have several ways to go, and... | Fred Nachbaur | SyncWare News | 1984 |
| Un-Interruptible Power Supply Short article and schematic for UPS. | The Sinc Times (2) | September-December 1985 | |
| Understanding and Upgrading the TS1016 RAM Pack This is the first of a two-part article on how dynamic rams operate, how the TS1016 works, and how to... | Time Designs Magazine | September/October 1986 | |
| Understanding and Upgrading The TS1016 RAM Pack This is the second part on upgrading your TS 1016 RAM pack to 64k. Last issue we discussed the ins... | Time Designs Magazine | November/December 1986 | |
| Universal LROS/AROS Development Board | Sincus News | November 1984 | |
| Universal LROS/AROS/Development Board Schematic | Sincus News | November - December 1985 | |
| Update 2: Interface Zero Resistor | Sincus News | April 1985 | |
| Updates | Sincus News | March 1985 | |
| Updates | Sincus News | January - February 1987 | |
| Upgrading T/S Video Correction to “Upgrading Timex-Sinclair Video” in the May 1983 issue to address a revision to the ZX81 circuit. | Computers & Electronics | September 1983 | |
| Upgrading Timex/Sinclair Video Provides direct video and white-on-black screen characters. | Computers & Electronics | May 1983 | |
| Upgrading to a “Real” Keyboard: E-Z Key Makes It Easy Schematic to add a keyboard that plugs into the expansion port. This is the same interface that is used in... | SUM | May 1986 | |
| Use Your TV Speaker for Peripheral Audio | ZX-Appeal | April 1987 | |
| User Defined Graphics for the TS-1000 | SUM | April 1985 | |
| User Defined Graphics for TS-1000, Part II Program to generate and store your own characters into the custom graphics board as described in the prior month’s issue. | SUM | May 1985 | |
| Using Double-Sided Drives with Timex Disk Controllers | LISTing Newsletter | July - September 1986 | |
| Using Extra Keys on Big Keyboard – A Simpler Approach Connections to map a single key to replace two keystrokes. | SQ Syntax Quarterly | Winter 1982 | |
| Using the “Tomy Tutor” Recorder with TS-2068 | SUM | January 1986 | |
| Using the Microace with Sinclair Accessories Modifications to allow the Microace to use Sinclair accessories. The 16K RAM module is completely compatible with the MicroAce 1K... | SYNC | March/April 1981 | |
| Using the PC8300 with 64K RAM Packs | ZX-Appeal | Summer 1988 | |
| USR Key | LISTing Newsletter | January 1995 | |
| VAMP: TV to Monitor Kit Conversion kit for TVs to allow for direct composite input. | Time Designs Magazine | May/June 1985 | |
| VDAQ – A Data Acquisition Development Program Here is a program that demonstrates a simple yet effective way to get analog information (data) into your ZX81/TS1000/TS1500 computer,... | Fred Nachbaur | SyncWare News | 1984 |
| Vector Graphics Hardware and software to drive a vector display. | LISTing Newsletter | September 1997 | |
| Vector Graphics Hardware and software to interface a ZX81 to an oscilloscope or other vector display and draw draphics. | Electronics Today International | ||
| Video Board Upgrade for Your TSZX | Triangle Sinclair Users Group | January & February 1984 | |
| Video Modifications for the ZX80 | LISTing Newsletter | July - August 1994 | |
| Video Modifications for the ZX80 Inverted and direct video. | SYNC | March/April 1981 | |
| Voice Reproduction Machine language tools to sample and playback voice recordings. | ComputerDigest | September 1985 | |
| Votem Cassette Controller If you have a VOTEM, or if this article talks you into buying one, here is a simple modification which... | Fred Nachbaur | SyncWare News | 1984 |
| Votrax Speech Synthesizer Here is a ‘term paper’ written by one of my students who tackled the job of interfacing the Votrax SC-01A... | QZX | July & August 1983 | |
| Votre 2068 en system d’alarme The principle of an alarm system is as simple as that of a switch: the classic open circuit or closed... | Real Gagnon | SIN | February-March 1987 |
| Wafadrive/RS-232/Xerox Memorywriter | LISTing Newsletter | January 1986 | |
| World’s Simplest Volt-Meter | ZX-Appeal | Summer 1988 | |
| WRX 16 Hi-Res for the 1000 For several years, ZX81/TS1000 owners have dreamed of a simple bit-mapped high-resolution system for their machines. The quest began with... | SyncWare News | Nov-Dec 1986 | |
| Yet Another Power Supply After reading Herb article on QL power supply modifications, I thought I would write up my alternate approach. I am... | Tom Robbins | CATS Newsletter | November 1990 |
| Yet Another ZX-TS Fix Do you have any of the following problems with your ZX81 or TS1000? | Fred Nachbaur | SyncWare News | July/August 1987 |
| Your Timex/Sinclair Can Become a Terminal Build a 8251 USART interface to connect a Sinclair to a modem. | SYNC | November/December 1982 | |
| Z-SI/O Serial Interface | Nite-Times News | April 1987 | |
| Z80 LCD | ZXir QLive Alive! | Autumn 2000 | |
| Z88 to IBM or TS2068 Cable Wiring diagram for a homemade RS232 cable connecting the Cambridge Z88 (DB9 male) to an IBM PC (DB25 female), tested... | Dave Bennett | Timelinez | July-December 1989 |
| Z88 to QL Connections Documents a cable or connection method for interfacing the Cambridge Z88 portable computer with the Sinclair QL,. | Dave Bennett | Timelinez | April 1989 |
| Z88 to QL Connections | Harrisburg Area Timex Sinclair Users Group Newsletter | March-April 1989 | |
| ZEX for the ZX81 | ZXir QLive Alive! | Winter 1997 | |
| ZVOICE Like many of you, I have been fascinated by the idea of speech synthesis. I even bought a GI SP0256... | ZX-Appeal | October 1986 | |
| ZVoice Reprint of ZVOICE. | CATS Newsletter | October 1986 | |
| ZVOICE Part 2 Listing 4 shows how a text to speech program can be implemented. A text string is scanned one word at... | CATS Newsletter | January 1987 | |
| ZX Analogue-to-Digital Converter Fast eight-bit analog to digital converter project. | Electronics Today International | January 1984 | |
| ZX Burglar Alarm | LISTing Newsletter | January 1997 | |
| ZX Burglar Alarm | LISTing Newsletter | June 1997 | |
| ZX Interface Board Input/output interface board that works with either ZX81 or Spectrum. | Electronics Today International | April 1983 | |
| ZX Resources Parallel interface using the Z80 PIO chip. | Sinc-Link | March/April 1991 | |
| ZX Resources: RS232 I/O | Sinc-Link | March/April 1993 | |
| ZX Resources: Transferring Between Computers | Sinc-Link | November/December 1991 | |
| ZX Spectrum Modifications to U.S.A. Standards | Sinc-Link | November/Decemember 1992 | |
| ZX Spectrum Modifications to U.S.A. Standards | LISTing Newsletter | April 1997 | |
| ZX-81 Computer Joystick Describes how to connect a joystick, includes demonstration program. | Sinc-Link | ||
| ZX-81 Parallel Printer Interface | LISTing Newsletter | October 1988 | |
| ZX-EPROMer | LISTing Newsletter | December 1996 | |
| ZX/TS Repair Guide – Part II Tips on repairing the ZX81/TS 1000. | SUM | October 1984 | |
| ZX/TS ROM and RAM Addressing ROM/RAM Immaterial As a result of my article “Your Timex-Sinclair Can Become a Remote Terminal” (Sync 2:6) a number of... | SYNC | March/April 1984 | |
| ZX/TS True 64K Internal NVM Upgrade | LISTing Newsletter | April 1991 | |
| ZX81 & QL Regulator Bug Suggested solutions to power regulation problems in the ZX81/TS1000 and QL: add capacitors. | SyncWare News | Mar-Apr 1986 | |
| ZX81 16K Byte RAM The circuit on page 4 is for a 16K byte RAM extension board to plug onto the ZX81’s rear connector.... | QZX | November 1992 | |
| ZX81 Background Reverse Circuit to invert ZX81 video signal, provides white on black. | Electronics Today International | November 1983 | |
| ZX81 Baudot Interface Here’s a nice article telling how to interface an ol’ Teletype machine to the Sinclair. Be sure to follow his... | Dallas Williams (WA0MRG) | QZX | November 1983 |
| ZX81 Burgler Alarm | Electronics Today International | May 1984 | |
| ZX81 Data Acquisition Module A/D converter for the TS/ZX using the TLC548. | Time Designs Magazine | January/February 1987 | |
| ZX81 Data Acquisition Module Part two of series on building a digital-to-analog converter. | Time Designs Magazine | March/April 1987 | |
| ZX81 Direct Video Output | ZX-Appeal | March 1987 | |
| ZX81 EPROM Board Schematic for interfacing an EPROM, static RAM or SEEQ’s 2K EEPROM to the ZX81/TS 1000. | Sinc-Link | January/February 1988 | |
| ZX81 EPROM Board Board layout, parts list and program listings. Continued from Sinc-Link v6 n1. | Sinc-Link | May/June 1988 | |
| ZX81 Extendi-RAM | LISTing Newsletter | April 1997 | |
| ZX81 Loading Filter/Interface Op-amp based load filter schematic and construction details. | Sinc-Link | March/April 1986 | |
| ZX81 RAMpack Expander | LISTing Newsletter | November 1996 | |
| ZX81 Resources 1mb Bank-Switched Memory Board. | Sinc-Link | September/October 1993 | |
| ZX81 Resources: 1mb Bank-Switched Memory Board | LISTing Newsletter | January 1994 | |
| ZX81 Resources: 64K SRAM Memory | Sinc-Link | May/June 1992 | |
| ZX81 Resources: A Tethered Robot | Sinc-Link | March/April 1994 | |
| ZX81 Resources: Analogue to Digital Converter | Sinc-Link | May/June 1993 | |
| ZX81 Resources: Joystick | LISTing Newsletter | March 1993 | |
| ZX81 Resources: Joysticks | Sinc-Link | November/Decemember 1992 | |
| ZX81 ROM Adapter 2764 EPROM to Replace Sinclair ROM Schematic to connect an EPROM in place of the ROM. | Sinc-Link | September/October 1985 | |
| ZX81 RTTY Receive Program Here’s a neat RTTY program receives that RTTY for you. The author interfaced his ZX-81 directly to his home made... | Dallas Williams (WA0MRG) | QZX | March 1983 |
| ZX81 RTTY Transmit/Receive Program & Interface Here is a nice RTTY transmit and receive program with the required hardware interface. | QZX | April 1983 | |
| ZX81 Tape Controller | LISTing Newsletter | April - May 1996 | |
| ZX81 User-Defined Graphics Small circuit to allow internal RAM to be used for user-defined graphics when the computer has 16K RAM pack attached. | Electronics Today International | November 1983 | |
| ZX81/TSXXXX Out-Board Real-Time Clock | ZX-Appeal | February - March 1988 | |
| ZX81/TSXXXX Out-Board Real-Time Clock | LISTing Newsletter | January 1988 | |
| ZXVoice For starters, would you please dig out your October 1986 issue of ZX-Appeal and read Wilf Rigter’s article on pg... | ZX-Appeal | March 1987 |
Books (1)
| Title | Author(s) | Date |
|---|---|---|
| How to Make Your Computer Talk Build a General Instruments SP0256 speech synthesizer. Written for several microcomputers, it includes a chapter on interfacing to the ZX81/TS1000.... | Steven J Veltri | 1985 |
Documents (24)
- Adding a Reset Button to Your TS-1000 or TS-2068
- Adding a TTL Monitor to your TS-2068
- Build a 2764 Based “Cartridge” Board and Programmer for Your ’81
- Build a 2764 Based Cartridge Board and Programmer
- Connect a Monitor to the TS1000
- Connecting the Amdek Amdisk III to the Zebra FDD 3000
- Custom Keyboard Tip
- EPROM Cartridge Download Routine
- Experimenters Guide to the WC2050 Modem Board
- Experimenting With The Byte Back Modem
- How to Program a 2764 EPROM Using Hot Z
- How to use the 2068 User Cartridge Board
- Interface a Joystick to Your TS-1000 or ZX81
- Keyboard Mania
- Letter from Pete Petri to Fred Nachbaur
- Oliger 2068 Expansion RGB Circuit Instructions
- QL Tip
- Run Z-XLR8 on TS 1500
- Sinclair ZX81 8K ROM Upgrade manual
- The John Oliger Co. 2068 EPROM Programmer
- TS-2068 HOME ROM Bypass
- TS1500 Meets Oliger Video
- TS1500 Reverse Video
- Understanding and Upgrading the TS1016 RAM Pack