Water Pump Control Based on Microcontroller and Water Level Sensors

Abstract

Pump control system is designed to monitor the level of water in the overhead and underground tank through water level sensors, and run the pump only when the water level in the underground tank is up to the position of the water level sensor as long as the overhead tank is empty and automatically turn off the pump after the fullness of the overhead tank where its has two water level sensors. The circuit is made up of (microcontroller Atmega16), three sensors for water level (Float Switch), display (LCD 16), Driver (ULN2003A), alarm (buzzer), three light emitting diodes (LED) and Relay (5 V).Where the microcontroller keeps track of the exact level of water in the tanks and display it in the LCD display as well as running pump or shutdown it through the driver and relay, And according to the water level it is turned the suitable LED, and when the water level in the underground tank is less than the sensor level the buzzer is turned on.