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 ...

Posted in Arduino Hacks, Lifehacks Tagged 9V battery, arduino, arduino nano, IR temperature sensor, leds, lever switch, limit switch ...

Infrared sensor module To replicate Krejci’s design, you need an Arduino UNO Rev3 board, an AMG8833 infrared sensor module, and an 8×8 RGB LED matrix.

The kit has parts and sensors to help beginners learn how to connect things, write code, and make projects without any ...