Old infrared remote controls can be a great way to interface with your projects. One of [AnalysIR’s] latest blog posts goes over the simplest way to create an Arduino based IR receiver, makin… ...

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 ended up using a microcontroller and a piece ...

The sensor has an infrared (IR) emitter and a 30×30 pixel IR camera in it. The object moving in front of the sensor has to be close enough to reflect IR light from the emitter back to the camera.