Access the Bourns ACE-128 Absolute Contacting Encoder over I2C or digital pins
This 128 position gray-code absolute encoder is designed as a panel mounted knob. This library accesses it via common I2C pin expanders or digital pins and handles the gray-code translation of any pin wiring combination.

Author: Alastair Young

Maintainer: Alastair Young

Read the documentation


This library is compatible with all architectures so you should be able to use it on all the Arduino boards.


To use this library, open the Library Manager in the Arduino IDE and install it from there.