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 ...

Olympia Circuits Teases Arduino Programmers With $60 Arno Shield. by Ray Willington — Monday, April 29, 2013, 05:50 PM ... - One phototransistor to detect infrared and visible light ...

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 ...

When the infrared light beam is interrupted, the oscillator built around the 555 is enabled and starts to produce a warning tone. Finally, the test values indicated in the infrared barrier alarm ...