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 ...

SwitchBot has introduced the launch of its new Water Leak Detector for the affordable price of £17.99 ($17.99 / €21.99). The gadget is designed to offer comprehensive protection against water damage ...

M y adventures of building a smart home on a shoestring budget are taking an interesting turn. It turns out that I don’t need ...

Some households have water supplies that contain higher than desired levels of minerals. This condition is called hard water. There is nothing harmful about hard water but it does leave mineral ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. A drop of water may not seem like a big deal, but ...

SmartThings’ name-brand flood detector is short on useful features, but it’s inexpensive and plays nicely with other devices and services. When shopping for a smart water leak sensor, you can either ...

This is a very simple liquid detector that use a relay to open an evacuation van. You can use it for water or any liquid that conduct electricity. Use any PNP transistor that can stand the relay ...