HomeKit leak sensors offer crucial protection. Learn why detection is a mandatory upgrade for 2026 to prevent costly water ...

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, ...

Around the Hackaday bunker, any plant other than a cactus has a real chance of expiring due to thirst. Perhaps we should build some of [MakersFunDuck]’s Moisture Duck boards. As you can see in the ...

The motion sensor switch circuit can automatically turn on a water sprinkler but you can easily use it as a motion sensor light switch or motion activated alarm too. Before beginning the construction ...

Loud Warning Sound: Water alarm has 110 decibel alarm reminder, sensitive Response, has loud and clear sound, whether indoors or outdoors, you can clearly hear it, it reminds that you need to be ...

In a way, the magic of a soil moisture sensor’s functionality boils down to a simple RC circuit. But of course, in practice there is a bit more to it than that. [rbaron] explains exactly how ...

My kitchen sink started leaking something awful a few weeks ago. And I only noticed because of the rust growing on the bottom of a can of paint undernearth the basin. My cabinetry is now warped—but ...