“This is a ZX81 compatible Z80 based 8 bit computer kit with 32K RAM. It evolved from the Minstrel Issue 2 ZX80 clone. Adding NMI Fast/Slow mode makes it ZX81 compatible, so it can run most ZX81 ...

The kit version of the Sinclair ZX81 microcomputer. By Smaddison (Own work) [CC BY-SA 3.0], via Wikimedia Commons . If you start your electronic odyssey through kit-building, you gain more than a ...

The Sinclair ZX81 home computer is 30 today. It and its variants such as the Timex-Sinclair 1000 sold over one and a half million units – which combined would have the processing power of around ...

Timex/Sinclair ZX81 reappears on the personal computing scene. ... "Send me four more kits, I'm using them as controllers for a project." The Sinclair ZX81 costs $99 (£68 ...

Developed by a firm founded by British inventor Sir Clive Sinclair, the ZX81 sold in kit or pre-assembled form. It featured a 3.25 MHz Z80 CPU, 1KB of RAM, and a built-in BASIC programming language.

On March 5, 1981, Sinclair Research launched the ZX81 home computer in the U.K. ... Incidentally, at that cheap price, it was a kit you assembled at home (a soldering iron was required).

The ZX81 is 42. The meaning of life. And it kind of was to a generation of British school kids. That is, if they could keep the 16KB RAM pack connected for long enough. Typing on the ZX81’s hideous ...

[Victor Trucco] makes us wish we spoke Portuguese. He’s done a lot of retrocomputing projects including connecting a ZX81 to the Internet to load programs. The project uses — wha… ...

The Sinclair ZX81 was small, black with only 1K of memory, but 30 years ago it helped to spark a generation of programming wizards. Packing a heady 1KB of RAM, you would have needed many, many ...