Found in the July 1994 Electronics Now magazine, this circuit drives a relay up to 12 V depending on the power supply. The transistor can be general purpose.
Panasonic is delivering through its Mouser Electronics its CSP series of power MOSFETs in a range...
This circuit was obtained from an American documentation from the 90's. The components can be...
This simple TTL electronic dice uses common anode displays. The circuit is from a March 1975 Radio...