Expose a Pimoroni pHat HD as a web service for IoT
Install the pHat HD board on your Raspberry Pi and follow the installation directions in https://github.com/pimoroni/scroll-phat-hd
Use PIP3 to install flask and it's dependencies
Place the clear.py and server.py files in /home/pi/
Enable phathd.service using systemctld (see https://www.raspberrypi.org/documentation/linux/usage/systemd.md)
Restart your Pi.
Confirm that you can reach (your pi's hostname).local:5000 on a browser.
You should see the message:
PUT the JSON request body {"script": script} to / where script is one of plasma, life, fire, swirl, none
Don't forget to set Content-type: application/json in the request headers.
To add new scripts, modify _scripts in the definition of the ScriptController class in server.py.