Matrix Keypad lock created using Processing 3.5.3 based on a calculator example from Freenove in the Freenove Ultimate Starter Kit
Lauches a simple fullscreen GUI, user enters a passcode using a Matrix Keyboard. On correct passcode entry launches Chromium in kiosk mode
Refer to the original project from the Freenove Ultimate Starter Kit for wiring and original code this project is based on which can be found here