Assembly instructions available at; http://guides.cyntech.co.uk/raspberry-pi/assembling-the-word-clock/ Revised requirements for:- main.py & snake.py sudo apt install python3-pip sudo pip install rpi_ws281x Requirements for Word-New.py rainbow1.py rainbow2.py sudo pip3 install rpi_ws281x adafruit-circuitpython-neopixel +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ To Autorun sudo nano /etc/rc.local add python /home/pi/Wordclock/main.py && Make into a Service sudo nano /lib/systemd/system/wordclock.service [Unit] Description=Word Clock Service After=multi-user.target [Service] Type=simple WorkingDirectory=/home/pi/Wordclock/ ExecStart=sudo python /home/pi/Wordclock/main.py KillSignal=SIGINT Restart=on-failure [Install] WantedBy=multi-user.target sudo systemctl daemon-reload sudo systemctl enable wordclock.service sudo systemctl start wordclock.service