A 16th Century clock for which "all hope was lost" after it was stolen from a museum 55 years ago has been returned and put back on display. The Drum Clock, which was made in Prague in 1540 ...
He therefore built a simple clock with a vintage HPDL-1414 “smart four-character 16-segment alphanumeric display” and a msp430g2553. The result that you can see above is powered over USB ...