The experiment is for switching an acoustic sounder as a rain alarm after a predetermine time. It may, however, be tinkered for a number of other applications. Needless to say, this is a simple ...

Detecting visitors can be difficult, especially if you have a long driveway, but this alarm's impressive range will make sure ...

None ...

WE CAN’T control the weather, but tech can at least give us a heads-up when the heavens open so we can bring in the washing or anything else left in the garden. We can do this with a digital rain ...

Dreaming about a little device capable of measuring rainfall or closing a skylight when it starts raining? Recently I found an amazing Optical Rain Gauge introduced by Hydreon Corporation. The RG11 ...

If you’ve got a smart home, or you just want to know how soaked your garden is getting in the winter, you might want to measure rainfall. There are a bunch of ways to go about it, and this capacitive ...