Water overflows from a full tank on the roof are commonplace occurrences. Unfortunately, not only is the excess water wasted, but so also is the electricity that keeps the pump running during the ...

A water tank overflow alarm is an ideal tool to save water from overflowing and getting wasted. This not only saves on one’s electricity bill, but it also ensures that there is a reduced impact caused ...

Here is another interesting hobby circuit built around the popular and inexpensive 555 IC. It is nothing but a water sensor, which you can be configured as a rain alarm, water tank overflow alarm, ...