This circuit trips when the current in a load exceeds the programmed value that depends on Rx. The circuit is from the Radio Electronics magazine of June 1986.
This TTL circuit was found in the December 1990 issue of Radio Electronics magazine. The circuit has...
Found in an Electronics World of 1968 this circuit can use any SCR and diodes depending on the...
Placed near a telegraphic transmitter (CW) and with a small antenna or pickup, it reproduces the...