PIR sensors are used for applications such as ... bounce back a radar signal or transmit light to a photodetector in the distance. See network camera. THIS DEFINITION IS FOR PERSONAL USE ONLY.

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’s remote jack, and a 3D-printed bracket. The PIR sensor ...

The microwave transceiver automatically adjusts its detection thresholds based on input from the PIR sensors. By integrating the target distance information from the PIR, false alarms from the ...

Get close enough to this raven and you’ll set off the PIR sensor, which triggers lighting and sound effects, including some spooky glowing and blinking red eyes, general cawing, and of course ...