Scelbi aimed the 8H, available both in kit form and fully assembled, at scientific, electronic, and biological applications. Designed by Nate Wadsworth and Bob Findley in 1973, it was based on the Intel 8008 processor, and was the first microprocessor based kit to hit the market. It came with 1KB of RAM for It’s advertised price of $565. It had 4 kilobytes of internal memory and a cassette tape, with both teletype and oscilloscope interfaces. In 1975, Scelbi introduced the 8B version with 16 kilobytes of memory for the business market. The 8H was the first commercially advertised microprocessor-based computer in the U.S. The company sold around 200 machines, losing $500 per unit.
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