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 ...

“These are, by far, the best solar lights I’ve ever owned.” ...

If you dream of walking into a room and having the lights turn on, or if you have nightmares about all the power wasted because lights in another room are constantly left on, replacing a standard wall ...