More of a cosmetic thing, but I liked the idea of computer running automatic reset on power-up. The added appeal was that the circuitry is actually copied from the original C64, which makes it ...

A digital clock with an analog appearance. 144 3 mm LEDs in a circle show 12 hours with a 5 minutes resolution. 11 standard logic IC’s are used. All parts are through hole. Power supply can be any ...

Extended RAM & FM Synthesis Card for HITACHI MB-S1 - bml3mk5/S1ExmemAndFmOPN ...