Based on Radio Shack 276-137, this circuit was found in the December 1995 issue of Electronics Now magazine. The circuit drives an LED but could use a relay instead.
We found this circuit in Popular Electronics from 1992. Transistors admit equivalents....
This circuit is from the 1972 RCA Linear Integrated Circuits Manual but can still be easily...
This short circuit protection circuit accelerates the blown fuse in case of an output overcurrent. The...