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 serial communications is I2C and there’s a tiny optical sensor onboard along with an IR LED. Of course, you could send other keys than media controls. We wouldn’t mind going back and ...