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 ...

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 ...

You might not notice the small sensor tucked behind the rearview mirror, but it can save you distraction and hassle the moment rain starts. Many modern vehicles now include rain-sensing wipers—once a ...