Adafruit has made an I2C interface for four rotary encoders. It comes in the form of a PCB with four footprints that accept one of the most common rotary encoder forms (Bournes PEC11 horizontal style) ...
tom's Hardware on MSN
Playing Music On The Adafruit Macropad RP2040
We programmed the Adafruit RP2040 to play music when you hit the keys. It changes octaves when you rotate the rotary encoder.
Looking for something with a bit more style than the traditional kitchen timer, [Martin Jonasson] decided to take the last couple of months to design and build his own take on the idea using a rotary ...
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