Components Required: Arduino Uno RFID Reader (RC522) Servo Motor (SG90 or similar) 16x2 LCD (I2C or parallel interface) 3 LEDs (Red, Yellow, Green) Piezo Buzzer (2 pins) Resistors (220Ω for LEDs) ...

Arduino UNO R3 Development Board. RC522 RFID Reader. RFID Cards or Tags. Solenoid Door Lock. Single Channel Relay Module. 16x2 LCD Display along with I2C Expansion Module. Jumper Wires. Power Supply ...

Arduino library for MFRC522 and other RFID RC522 based modules. Read and write different types of Radio-Frequency IDentification (RFID) cards on your Arduino using a RC522 based reader connected via ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...