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 ...

In the microcontroller era today, Arduino is more than just a tool to ... can be adjusted from near 0.3s to 18s by the onboard potentiometer. Another sensor suitable for our project is the Infrared ...

Labeling bottles manually takes a good chunk of time and effort. Addressing this, the YouTube channel Easy Home Made Projects ...

Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a tiny scale.

Such a a useful circuit ... single-pixel infrared camera that picks up everything in a 90° cone starting at the sensor.” [MakeFunStuff] paired this easy-to-use sensor with an Arduino Nano ...