Sometimes we need a non-contact liquid level sensor. There are several ways to build that, but the easiest is to try an optical liquid level sensor. You may already have an idea in mind since you are ...

Liquid level sensor, also called fluid sensor or float switch, usually has two parts: a stem and a float. The stem is stationary and attaches to the top or bottom of a tank. One or more reed switches ...

One of the major problems faced by most countries today is water scarcity. This scarcity is mainly due to the wastage of water. There is an urgent need to control water wastage to protect the ...