Cited as a reference 路 for beginners
Rotary Encoder Incremental rotary Encoder How to use it with Arduino
Why people recommend it
Used as a source of wiring and starter code for reading an incremental rotary encoder with Arduino interrupts, and often cited when troubleshooting that code.
Watch for: One viewer reports missed counts once other code is added
In their words
Dear all, above arduino code is used for encoder as counter and code is quoted from here, the above simple code works fine.
Maximus Su on arduino.stackexchange.com, Dec 2022. CC BY-SA.