DAC: ES9018K2M
the Python based driver can be found in this repository, it controls volume and correct bit rate through I2C commands.
More info on my blog https://bashtelorofscience.wordpress.com/
How to install the driver: https://forum.volumio.org/setup-i2c-control-for-es9018k2m-dac-with-volumio-t13875.html
License:
Software under MIT license
Hardware under Creative Commons 4.0 license: CC-BY-NC-SA
