#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; ...
An open-source, Arduino-based access control system designed for parking barriers using RFID technology. This project provides a solid foundation for a secure and automated vehicle entry system. It ...
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 ...
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 ...
The use of Radio Frequency IDentification (RFID) technologies is growing. Many different applications are implemented in various sectors, and used for very different purposes. RFID enables wireless ...
Metro smart automated systems always look cool to us. You can scan and rescan to travel just using a MetroCard. No need for special personnel or anything—just ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results