Welcome to TimexSinclair.com, your definitive resource for everything related to the Sinclair and Timex/Sinclair computers in the United States. From the groundbreaking Sinclair ZX81 that brought affordable computing to American homes in 1982, to the Timex/Sinclair 2068, we celebrate these remarkable machines that introduced a generation to the world of programming and digital innovation.

Timex/Sinclair

The American chapter—Timex brought Sinclair’s vision to U.S. homes.

1982

Timex/Sinclair 1000

The U.S. version of the ZX81, available for under $100 at retail stores across America. This machine democratized computing in the United States.

Explore the T/S1000
1983

Timex/Sinclair 1500

Enhanced version of the Timex/Sinclair 1000 with 16K RAM built in, ZX Spectrum style case and keyboard.

Explore the T/S1500
1983

Timex/Sinclair 2068

Color graphics, sound capabilities, and a cartridge port made the 2068 the ultimate U.S. Sinclair experience with serious computing power.

Explore the T/S2068

Sinclair

The pioneering machines from Clive Sinclair that revolutionized home computing.

1980

Sinclair ZX80

The machine that started it all—revolutionary for its price point and brought computing to everyday people.

Explore the ZX80
1981

Sinclair ZX81

The machine that brought computing to the masses. Sold over 1.5 million units worldwide—legendary affordability and hackability made it an icon.

Explore the ZX81
1982

Sinclair ZX Spectrum

The ZX Spectrum brought vibrant color graphics and sound to the home computer market, selling over 5 million units worldwide.

Explore the ZX Spectrum
1984

Sinclair QL

Sinclair’s ambitious 32-bit business computer. Multitasking OS, built-in Microdrives—ahead of its time with professional aspirations.

Explore the QL
1987

Cambridge Z88

Sinclair’s ambitious 32-bit business computer. Multitasking OS, built-in Microdrives—ahead of its time with professional aspirations.

Explore the Z88

Join Us Online

We have a YouTube channel, active email list and more! We meet via Zoom on the first Monday and third Sunday of each month to chat about our favorite computers, projects and more. Each meeting is recorded and posted to YouTube. You can watch some of our most recent meetings below.

Learn how to join us online
Uploads from Timex Sinclair Fans

Recent Blog Posts

See All Blog Posts

Recently Added/Updated

Recursion has always held a certain fascination for me because it seemed that it made very complex problems solvable with a simple, almost magical step. I have written about recursion before in a back issue of ZQA! so I won’t be rehashing that material here, but a brief review is in order before we tackle…article, orig pub: 10.27.20, updated: 06.29.26
A neat way of selecting from a menu or a collection of items on the screen is to move the cursor to the desired item. There is nothing new about this idea: many games and commercial programs use this technique. On our keyboard, moving the cursor is somewhat awkward: hold the cap shift down while…article, orig pub: 09.13.22, updated: 06.28.26
The program loading end saving process on the TS2068 is e great improvement over the TS1000. The signal recorded is a series of square pulses, with ones shorter than zeros. There is no DC component and reversing plus and minus has no important effect. Square waves are difficult to record and some tapes are being…article, orig pub: 10.27.20, updated: 06.28.26
IMPORTANT NOTE: The following article describes method of testing for, and repairing a Timex Sinclair 2068 with bad RAM chips. Though it is a simple project that most people with basic soldering skills are capable of completing, and the information presented here is believed to be correct, the author and publisher take no responsibility for…article, orig pub: 10.27.20, updated: 06.28.26
Using the OPEN # and CLOSE # Commands on the TS 2068 Many people who use the 2068 have generally no idea what the commands OPEN# and CLOSE# are for and what they can do. These commands were intended for use with the Microdrives, but we can use them an entirely different way. By using…article, orig pub: 10.27.20, updated: 06.28.26
Read more
Scroll to Top