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Water Level Indicator using LCD
Water level indicator plays a vital role in the world of water saving technology. It indicates five different level of water in a tank mostly used in housing water tank,cooler tank etc. The circuit is based on the microcontroller AT89S52 which is brain of the whole system. A CMOS IC4049 is used as a water sensor which provides input signals for the MCU. The output of microcontroller is connected to an LCD and a buzzor. LCD shows the water level in five steps. When the tank gets full of water,an alarm produces.
(Photo By Qamar Shaikh)