The present concept implements controlling of pump which pumps water from the sump (underground tank) to the overhead tank, using 8951 microcontroller. 
The control panel, i.e. the main control unit of the system which consists of the primary control switches, pump indicator, siren and level indicators. The visual example of how switches And the indicators can be placed as shown the figure below.
In the figure shown above there are total of nine LEDs, four of which indicates the water level in the tank, another four indicates the water level in the sump and one LED indicates whether the pump is ON/OFF. It also consists of three switches.
Switch 1 is the main power switch which is used to activate the system.
Switch 2 is used to select whether to operate the pump in AUTO or MANUAL mode.
Switch 3 comes to picture only when the system is operated in MANUAL mode. It controls the direct activation of the pump.
Labels: Microcontroller
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