How to build simple automatic water-level controller.
its a video about , how to build simple and advanced water level controller, with level indicator and overflow safety alarm.
it's one of my home project. This device is for, automatically control the water level in the over head tank. if the water level is low, automatically turns on the pump motor, when its full, circuit automatically stops the pump motor.
This device also indicates, water level in the tank, shows how much water is available in the tank. Another feature is, its beeps an Alarm, in overflow, in case of system failure or manual filling.