Device Control
CH423 IO Expansion Module(SKU:DFR0979&DFR0980).
This is a 24-bit digital pins expansion board that communicates with main-controller via IIC to read and set Level value of the pins.
Maintainer: Arya
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.