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 ...

If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture sensor/water pump controller that lights an LED to alert the user when it is time to water a potted ...

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 ...