This circuit, with output of 1.5 A, was found in a magazine 73 of the 90s. The integrated circuit is from the time and must be mounted in a heat sink.
This solid-state relay (SSR) or shield was found in a 1995 Electronics Now. The transistor can be...
This circuit simulates dusk by slowly dimming an incandescent bulb. It was found in the August 1998...
We found this circuit in December 1986, Radio Electronics magazine. It uses 3 inverters and has...