Universal Zero 8 port GPIO/ADC/DAC phat for 40pin Raspberry Pi
UniversalZero Python library and demo program. Connect IO7(ADC) with IO6(DAC) and IO5(ADC) with IO4(DAC). Another ports are configred as described in the UZdemo.py.
Enjoy :)
PS To use SPI1 interface you need to upgade Raspbian to verison 4.9 - sudo rpi-update or use C userspace library (root rights required)
You need to enable SPI interface(s)
To enable SPI0 interface run sudo raspi-config in the terminal window or run sudo nano /boot/config.txt and add (or uncomment) line: dtparam=spi=on
To enable SPI1 interface run sudo nano /boot/config.txt and add (or uncomment) line: dtoverlay=spi1-3cs