The first step to take advantage of the functionality is to install the library associated with the control board, which can be found at http://www.monkmakes.com/?page_id=698. You need to connect your Raspberry Pi Zero to the Internet with either a wired or WLAN connection. Issue the following commands in a terminal window on your Raspberry Pi Zero:
wget https://github.com/simonmonk/raspirobotboard2/raw/master/python/dist/rrb2-1.1.tar.gz: This will download the library to your Raspberry Pi.
tar -xzf rrb2-1.1.tar.gz: This unarchives the library.
cd rrb2-1.1: This changes directory to the location of the files.
sudo python setup.py install: This installs the libraries. ...