This alarm with sensors in series and parallel was found in the 1995 Encyclopedia of Electronic Circuits. The number of sensors can be changed at will.
This flasher with a bistable version formed by SCRs works with low voltage incandescent lamps. The...
The purpose of this circuit is to interface a TTL system with a TRIAC controlling a power load...
This simple MW radio does not need an external antenna to pick up local stations. It was found in a...