How to make a Timer Switch Nov 12, 20181 min readYouTube Tutorial:-https://www.youtube.com/watch?v=S5yIM-MXm14Materials:- Transistor BC547 Capacitor 1000uf 100k Potentiometer 12v Relay 12v converter Tactile switch (push Switch) 2 Pin Connector PCB Connector Zero PCB Wires Circuit:-