Flask + SocketIO + AVR m328p https://flask-socketio.readthedocs.io/en/latest/ https://pythonhosted.org/pyserial/shortintro.html AVR tools https://github.com/wykys/AVR-tools LCD (Peter Fleury) http://homepage.hispeed.ch/peterfleury/avr-lcd44780.html http://homepage.hispeed.ch/peterfleury/avr-software.html#libs