Like many clocks in the 70’s and 80’s, the Heathkit alarm clock was based upon the National Semiconductor MM5316 Digital Alarm Clock chip. The MM5316 operates at 8 – 22 volts, so it couldn ...
It didn’t pan out, but before he gave up he built a beautiful Heathkit oscilloscope ... Of course to turn an oscilloscope into a clock requires some interesting control circuitry, and [Aaron ...
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