GitHub

door_lock_system_using_arduino_uno_rfid_and_keypad_matrix

Project Description A secure door lock system using Arduino Uno, RFID (MFRC522), and a 4x4 Matrix Keypad. Authorized users can unlock the door with either an RFID tag or a PIN code. Features 🔒 Dual ...
circuitdigest.com

RFID Based Attendance System Using Arduino - Complete Project Guide

An RFID-based attendance system transforms the tedious task of manual attendance tracking into an automated, error-free process. What makes this project particularly exciting is how a few inexpensive ...
GitHub

Arduino-Based-RFID-Access-System-C-C-Arduino

#define SS_PIN 53 #define RST_PIN 11 #define TRIG_PIN 25 #define ECHO_PIN 23 #define pitches.h const int G1 = 2, G2 = 3, G3 = 4, Y1 = 5, Y2 = 6, Y3 = 7, R1 = 8, R2 = 9, R3 = 10; const int buzz = A2; ...
IEEE

Security Door Lock Using Multi-Sensor System Based on RFID, Fingerprint, and Keypad

Abstract: Thefts problem in household needs to be anticipated with home security system. One of simple methods is using automatic solenoid door lock system, so that it is difficult to be duplicated ...