Found in a Popular Electronics from the 90s, this circuit provides 100 W of power. The power supply is from a 25V source and the integrated circuit must be equipped with a heatsink.
This circuit is from a March 1978 Radio Electronics magazine article that showed how to build it....
This circuit was obtained from an article in Radio Electronics magazine in October 1966. It...
In the figure we have a bistable circuit that activates LEDs from touch rings and turns off data...