Here is the diagram of my Arduino infrared close proximity sensor. As you can see, the core part of my experimental setup is an Arduino UNO, but other compatible microcontrollers can also be employed.

Luckily, requisite googling found a “multifunction shield” for the Arduino Uno platform available at a low cost from most internet suppliers. Here is a circuit diagram of the multifunction ... digital ...

If you are using infrared (IR) hardware in an IoT, embedded, or mobile hardware project and are currently experiencing difficulties debugging IR communications, using one of the circuits shown ...

With small Arduino boards becoming more popular, Olympia Circuits is jumping into the ... Four green LEDs - One RGB LED - One infrared LED - Two momentary pushbutton switches for digital inputs ...

Olympia, WA, April 29, 2013– Olympia Circuits introduces the Arno Shield to expand their line of products for new Arduino users. The Arno Shield contains all the components necessary to learn ...