This is a very simple touch light switch circuit that uses the 4011 IC, one transistor and a relay. The C1 capacitor stores the switching state at a certain time and is charged or discharged according ...

And few electrical projects are as simple and safe as replacing an old light switch. ... anything’s possible. Have the wiring and circuits checked by a licensed electrician. Get Started.

This circuit is powered using a 12 volts DC power supply , so the relay used for this project must be a 12 volts relay . This circuit is working very simple , when both plates of the sensor are ...