Sinclair Mk14 Replica

Posted by musovern on Feb 7th, 2025 in Sinclair, Single Board Computers, Uncategorized | 0 comments The MK14 (Microcomputer Kit 14) was a computer kit sold by Science of Cambridge of the United Kingdom, first introduced in 1977 for £39.95. The price was very low for a complete computer system at the time, and Science of Cambridge eventually sold over fifteen thousand kit The computer is based around National Semiconductor’s SC/MP CPU (INS8060) and shipped with 256 bytes of random-access memory (RAM) and 512 bytes of read-only memory (ROM) as standard. It used an eight or nine red light-emitting diode (LED) seven segment display, there was also optional VDU supporting 32×16 text or 64×64... Read More...

ZX-81

Posted by musovern on May 19th, 2019 in Sinclair, Vintage Computers | 0 comments

The ZX81 is a home computer that was produced by Sinclair Research and manufactured in Dundee, Scotland by Timex Corporation. It was launched in the United Kingdom in March 1981 as the successor to Sinclair’s ZX80 and was designed to be a low-cost introduction to home computing for the general public. It was hugely successful, and more than 1.5 million units were sold before it was discontinued. The ZX81 found commercial success in many other countries, notably the United States where it was initially sold as the ZX-81. Timex manufactured and distributed it under licence and enjoyed a substantial but brief boom in sales. Timex later produced its own versions of the ZX81 for the US market: the Timex Sinclair 1000 and Timex Sinclair 1500. Unauthorized clones of the ZX81 were produced in several countries.

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