Just press the remote control buttons (one at a time ... getting the same value for that single button — that’s all! /* * Infrared Decoder/Encoder * Hardware: Arduino Nano & DIY IR Sniffer Module * ...

(Google Translate) The wiring for this project is about as easy as you’d expect: the buttons connect to the digital inputs on the Arduino, and the LEDs on the digital outputs. When the Arduino ...

It also uses digitalRead, which is much slower than reading the port pins directly ... of a rotary encoder decoder (Ben Buxton). While his code seemed overly complex to my untutored eye, for example ...