ESP32 and Bluetooth Experiments to Make a Door Lock

This project uses and ESP32 Lite board (programmed with the Arduino) to BLE scan for nearby devices and allow a door to be unlocked. Warning: This code is experimental and the whole principal is not very secure. But it is a bit of fun. Use at your own risk. This Arduino sketch is a work in progress - it does work, with some limitations. It uses the MAC addresses from nearby devices (such as a…