Kanti SharmaMar 27, 20201 min readRelay CircuitUse Components:- 5v to 220v RelayAny Colour LED220 ohms Resistance330 ohms Resistance2N2222A Transistor1N4007 DiodeOptocouplerCircuit:-
Use Components:- 5v to 220v RelayAny Colour LED220 ohms Resistance330 ohms Resistance2N2222A Transistor1N4007 DiodeOptocouplerCircuit:-