This library uses a PCF8575 to read the pulses of a rotary encoder. As a PCF8575 has 16 lines up to 8 decoders can be read over I2C. The PCF interrupt line can be used to detect changes in the ...

a VERY badly made arduino/esp32 project trying to make a alarmclock with a rotary encoder and a floodlight to wake up in the mornings for school this isn't a project for people to learn from im just ...

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) ...