This project demonstrates how to build an RFID-based access control system using Arduino. The system integrates an RFID reader, servo motor, 16x2 LCD (I2C), three LEDs (Red, Yellow, Green), and a ...

Smart-Environment-Monitor-ESP This IoT-based system uses an ESP32 microcontroller to track temperature, humidity, and motion using a DHT22 sensor and PIR module. Data is displayed on an I2C LCD for ...