This project uses an ESP32 microcontroller to read fingerprints using an Adafruit fingerprint sensor, display status and results on a 16x2 I2C LCD, and send fingerprint match data to Google Sheets via ...

Arduino is an I2C communication application. ... It features three mechanical push buttons for mode control and a 16x2 I2C LCD to display real-time traffic timings and modes. c embedded-systems finite ...