This project uses a thermalprinter, which is connected via Serial, to print out guest passes for Ubiquiti Unifi enabled wireless networks. We use this one: https://www.adafruit.com/product/597 - but you can use any, if the protocols are the same.
This Project uses Node 6.10.0, so you have to install this.
Use either NVM or follow the docs at https://nodejs.org/en/ to install Node and NPM.
Once you installed Node do npm install. This will install the needed libs and you are ready to go.
You propably need to adjust the Serialport used. Just change line 2 in index.js to your corresponding port. The one used, is the correct one for the raspberrypi zero.
TODO
The button.py script, listens for buttonpresses on GPIO Pin 24 (Pin 19 on the Board) on a Raspberrypi Zero or compatible and then runs the Node script, if the button is pressed. Example:
# export USER=unifiuser;
# export PASSWORD=unifiuserpassword;
# export HOST=unificontrollerhost
# python button.py
Or replace python button.py with node index.js if you just want to print a code.