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 part list consists of one Arduino, two resistors, and one IR emitter. That’s right, an emitter. When an LED (IR or otherwise) is reverse biased it can act as a light sensor.

Have you used an IR temperature sensor in one of your projects? ... 2 thoughts on “ Modular Arduino Based Infrared Thermometer ” echodelta says: March 21, 2014 at 2:27 am ...