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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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.

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There has been a considerable amount of questions and interest about Dense Pack programming techniques and the use-of-Boolean logic. While browsing through antique ZX publications I came across an interesting article written in 1983 by Sharon Aker (where are you now Sharon?). Since Sharon’s article merges nicely with my feeble attempts to explain the use…article, orig pub: 10.27.20, updated: 07.05.26
Reference: “Speed Up Basic‘ in Plotter (4/87). The use of Boolean logic with BASIC has not been covered well in computer literature. (Ed. Boolean Logic, named after George Boole, who defined an algebra of logical operations, such as AND, OR, and NOT, on the two values true and false). The Timex Sinclair computers are very…article, orig pub: 09.13.22, updated: 07.05.26
This music player for the TS2068 reads ProTracker 2 / Vortex Tracker II songs and plays them through the onboard AY-3-8912.video, orig pub: 05.17.26, updated: 07.05.26
Two newcomers join: Charlie Day, who bankrolled a Sinclair QL writing BASIC as a teen, and David Laffineuse, a Florida collector of 80 machines who fried a 2068 with a DivMMC.video, orig pub: 07.05.26, updated: 07.05.26
David's Claude-built "Defender meets Choplifter" runs in Timex 8×1 color, a drop-in SCLD replacement is in the works, an AI indexed 109 meetings and 13,000 emails — plus Bill Miller's giant plastic "control center."video, orig pub: 07.05.26, updated: 07.05.26
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