Found in a 1980s manufacturer documentation, this circuit can be used as an optical shield. The integrated circuit is from the era and modern equivalents can be tried out.
Found in an American magazine from 1968, this circuit produces pulses free of bounces on its...
This circuit uses a 6-bit A / D converter from Philips, and has its output compatible with most...
The purpose of this circuit is to produce a quick discharge on a shorted battery to attempt its...