Requires python3, python-uinput and RPi.GPIO

Make sure that user pi can open the uinput device.

Enable access to it:

sudo groupadd -f uinput

sudo gpasswd -a pi uinput

Open /etc/udev/rules.d/99-input.rules and add this:

SUBSYSTEM=="input", GROUP="input", MODE="0660"

KERNEL=="uinput", GROUP="uinput", MODE="0660"