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 ...

It’s often hard to gauge the water level in the overhead water tanks on the terrace, and this can lead to water overflow and waste. Water tank overflow switches can automate the process. These ...

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, ...