// - For this project, use a power supply of at least 5V 2A. If you use a power supply with good quality components, 1A current is enough. // // - If possible use good quality cables for the power ...

A cool RFID music table has been created using Arduino, iPod, and RFID tags to make it easy to change albums by simply changing the RFID tag. Each RFID tag has an individual code number relating to ...

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 ...

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 ...

#include <MFRC522.h> // Sử dụng thư viện MFRC522 để đọc thẻ RFID #include <LiquidCrystal_I2C.h> // Sử dụng thư viện LiquidCrystal_I2C để điều khiển màn hình LCD qua giao tiếp I2C LiquidCrystal_I2C lcd ...