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. The main ...

An infrared emitter (IRED) is available for changing the hardware ... Infrared Decoder/Encoder * Hardware: Arduino Nano & DIY IR Sniffer Module * Library: IRremote by Ken Shirriff * Sketch: #1 - For ...

The tool uses an infrared emitter/detector pair along with an op ... the quality of the signal and then that is fed into an Arduino. The device also features an OLED screen and a fine-tuning ...

alongside another new emitter from OMC – the FDE2850 which is optimised for 200µm glass fibre. Also there will be a ‘shield’ for interfacing Arduino Unos to optical fibres – called the H19 Fibre Optic ...