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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Recently Added/Updated

article, orig pub: 09.13.22, updated: 05.31.26
Micro-Prolog Dear Sir, Reference the question in your last magazine about the availability of the program “Prologue” for the ZX Spectrum computer. Sinclair Research commissioned a version of the Prolog language for the Spectrum and sold it for about 30 Brit. pounds. However, when the rights to the Spectrum were transferred to Amstrad, all production…article, orig pub: 10.27.20, updated: 05.31.26
YS Megabasic adds 35 commands to Spectrum basic, several fonts, window capability, sprites, multi-tasking, enhanced sound, named procedures, a Z80 monitor, trace function and more.article, orig pub: 10.27.20, updated: 05.31.26
Convert the 2068 expansion connector to a Spectrum connector; add pull-up resistors to the EXROM socket; Spectrum Hardware Manual by Adrian Dickens; Easy Add On Projects for Your Spectrum, ZX81 & ACE by Owen Bishop.article, orig pub: 10.27.20, updated: 05.31.26
Having converted your 2068 to Spectrum mode of operation, you will find that most British software can be operated successfully from the keyboard, but a joystick might make life a little easier. While the joystick ports may be successfully accessed by the appropriate IN commands, this is of little use for commercial software. A variety…article, orig pub: 10.27.20, updated: 05.31.26
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