It is amazing how many Arduino programmes for decoding rotary encoders start with something like: “I looked at all the available rotary encoder sketches and none of them met my needs, so I have ...

encoder.tick(); // just call tick() to check the state.

I would like to read the "Rotary Encoder with LED (Red) with Knob Set" available at Akizuki Denshi Tsusho using an ESP32. In two previous articles, I implemented this using polling and was able to ...

// Reads a KY-040 on an Arduino using an interrupt on the CLK pin to count encoder steps and prints counts and button presses over Serial. // Buy this module: https ...