this is a simple water level controller that i make home pump. this is very simple to make . even a beginners make this project.
Step 1: Thins You Need
things you'll need :
tip122 transistor - 2 pieces
1000uf/2200uf capacitor - 2 pieces
4pieces 5v relay
follow the above circuit diagram to make circuit. one circuit is for liquid switch that activate in water. connect 2 relay on either both liquid switch and in second circuit is a circuit for connecting it to tank. in second circuit replace float switch and connect it to relay com and NC in the relay connected to liquid switch .make it and have fun. i try this this is working. thanks