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 ...

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 ...

They may not realize their car already knows when rain starts and can wipe the windshield for them. If the vehicle has a rain-sensing system, it can automatically adjust wiper speed using a ...

It isn’t that hard to make an electronic rain gauge if you have a steady source of power or you don’t mind changing batteries often. But [Matthew Ford] offers a third option: a simple device with a ...