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

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Howdy T/S 2068 fans! I hope you have all been well. I must apologize for this article being late. I am the Editor for our users group newsletter, the RAMTOP. Let me tell you, that it takes a lot of time! I think at least one-quarter of my time must be trying to convince my…article, orig pub: 10.07.22, updated: 08.09.26
For starters, would you please dig out your October 1986 issue of ZX-Appeal and read Wilf Rigter’s article on pg 9 entitled “Z Voice” ? Thank you! Now I only have to talk about how to assemble the hardware. The schematic has been slightly expanded in detail over the one published in Oct ’86, but…article, orig pub: 10.07.22, updated: 08.09.26
The following is a description of the Real-Time clock section of the D.A.M. board article which appeared in Time Designs Magazine ( March/Apr11 ‘ 87 page 23). The board features a full-function real-time clock with battery back-up and 1s mappable into eight I/0 port blocks. See attached schematic diagram. 8255 PPI The 8255 PPI is…article, orig pub: 10.07.22, updated: 08.09.26
article, orig pub: 10.07.22, updated: 08.09.26
Like many of you, I have been fascinated by the idea of speech synthesis. I even bought a GI SP0256 chip only to have it sit on a shelf, silently gathering dust. After all you need a robot or I/O board to make it work, right? Meantime others were having fun and contributing to the…article, orig pub: 03.27.21, updated: 08.09.26
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