This control circuit using a low voltage switch was found in the September 1987 Radio Electronics magazine. The triac must be matched to the load and the mains voltage.
This filter is inserted between the interfering device and the interfering device. The coils are...
One touch on S1 and the circuit turns on. With a tap on S2 it turns off. This is the purpose of...
The purpose of this circuit is to prevent TTL circuits from receiving a voltage greater than 5 V...