This game with digital logic circuits was found in the December 1976 issue of Radio Electronics magazine. The circuit includes the power supply driving a set of LEDs.
This circuit can source up to 1,000 V from a 9 V battery. Output current is very low, some...
This power supply uses integrated voltage regulators for 1 A of the 78xx series. The output...
This circuit appeared in Amateur Radio Today in an issue and was found in a 1995 issue. The...