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.

Welcome to Timex/Sinclair.com
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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Some of you may remember that a LONG time ago, I said I wanted to offer a simple parallel port and use it as the basis of a series of programs designed to show computer hobbyists the what’s, why’s and wherefore’s of “Programming for Ports”. My plan was (and still is) to provide many interesting…article, orig pub: 01.28.24, updated: 10.08.25
Machine language information storage and retrieval database for the 2068. Later available as a DOCK cartridge with more memory for data. Update July 1991: Using Tom Woods’ 117-byte printer driver from his ProFile 2068 as an example, first load in the program, then make a save of just this block of code by using SAVE…product, orig pub: 11.30.19, updated: 10.08.25
Product annoucement for VOTEM interface board from Down East Computers.article, orig pub: 10.27.20, updated: 10.07.25
TS1000 plus peripherals can make life easier and less expensive for artificial kidney patients and US taxpayers. Artificial kidneys used by dialysis patients cost $20-50 each and patients can use each only once. Each kidney patient must dialyze, using a new kidney, three times a week. Medicare, through our tax dollars, bears 80% of this…article, orig pub: 10.27.20, updated: 10.07.25
With this issue, we start a “mini-series” on improving cassette reliability. I’m sure you’ll agree that unreliable LOADs are perhaps one of the most frustrating aspects of personal computing. With a little knowledge about the SAVE/LOAD process, we can take steps to save ourselves a lot of grief. We’ll start the series with a discussion…article, orig pub: 08.01.25, updated: 10.07.25
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