Automatic Tank Water Level Controller using two float switch
@suraelectronics
7 years ago
https://everycircuit.com/circuit/5211207628488704
Two float switch and 2 relays are main components. Here 230V bulb is placed instead of 230V 1Hp AC motor. When both switchs(upper and lower)are closed which indicates tank is empty motor switches on automatically when relays on.