Development of an Ultrasonic Sensor Based Water Level Indicator with Pump Switching Technique
DOI:
https://doi.org/10.53555/eee.v3i5.435Keywords:
Echo, LCD, Ultrasonic distance sensor, Programmable microprocessor,, Water conductivity, Water resourcesAbstract
The quest to save electrical and water resources, we developed an automatic water level controller with pump switching system for both overhead and underground tanks. This module monitors and displays level of water in a tank. When water is at the specified lowest level, pump is automatically turned ON to refill until the tank is filled to its maximum capacity, then pump is turned OFF thereby saving both inadequate electrical and water resources. The design consist of Power supply, microcontroller, sensor, display and pump units. Arduino UNO, a microcontroller, which is commercially available, is replaced with a cost effective, electronically and environmentally rugged assemblage from available cheap components. The 20kHz ultrasonic distance sensor, remotely senses level of water by measuring length of emptiness or fullness of the tank from recorded time of arrival of echo from water surface. This length is interpreted and displayed by programme based icroprocessor in percentage (%) of the capacity on Liquid Crystal Display (LCD) unit.
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