Tag Archives: water-level

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Circuit – DIY Water Level Indicator

I found some cool looking circuits at this website here’s one of them that detect levels of water by shorting…kinda nifty~

This circuit not only indicates the amount of water present in the overhead tank but also gives an alarm when the tank is full. The circuit uses the widely available CD4066, bilateral switch CMOS IC to indicate the water level through LEDs. When the water is empty the wires in the tank are open circuited and the 180K resistors pulls the swi

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