The transistor in this project found in the July 1994 issue of Electronics Now magazine can be any general-purpose type. The circuit is powered by the relay voltage up to 12 V.
This circuit trips by shorting the load to quickly blow the fuse when the voltage exceeds a...
Epson SG 8018 Epson Crystal Programmable Oscillators Available from Mouser Electronics, these...
This circuit works with the previous two by demodulating the signals received modulated in FM. The...