I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ...

The IR Detector proximity sensor is designed to be compatible with both Arduino and Raspberry Pi platforms, making it a versatile choice for hobbyists and professionals alike.

By sticking this sensor on a breadboard with an Arduino Mini and WiFly network adapter, [Rob] is able to pull the data down from the IR sensor to his iPhone and overlay it on the feed from the camera.