plug it in for a little bit to charge, and then pop it back on the mounting plate. Has 3 settings- on, off, and auto (for ...

Plug Ring Chime into any standard power outlet, and get instant alerts anywhere in your home. Plug and play: Plug it in, connect it to your Wi-Fi network and link it to your Ring devices. It’s ...

The BOM on [Jeremy S Cook]’s build is extremely short – just a PIR sensor and an optoisolator, with a battery, a plug for the camera ... trigger the camera when motion is sensed, but one ...