Read High-Precision-AD-DA-Board
High-Precision AD/DA Board - Waveshare Wiki
https://www.waveshare.com/wiki/High-Precision_AD/DA_Board
you need some programs and library in http://www.airspayce.com/mikem/bcm2835/
This program runs on Raspberry Pi with High-Precision AD/DA Board
the following is sample program:
how to use: ./read_shield.py
the followings are usage of reading shield routine or class.
usage: python3 read_shield_main.py : with subroutine
usage: python3 read_shield_main2.py : with class
read_shield_class.py returns eight shield digital data output.