It’s a board that turns a rotary encoder into an I2C device. Now, instead of counting rising and falling edges, adding a rotary encoder to a project is as easy as connecting four wires.

The device is built around the diminutive Arduino-compatible ... his buttons and rotary encoder on the PICO’s digital pins. To that end, he [Jeremy] used the fantastic I2C rotary encoder ...

Adafruit has made an I2C interface for four rotary encoders. It comes in the form of a PCB with four ... at any time over I 2 C,” according to the company. “You can use our Arduino library to control ...