A simple Arduino project using the MFRC522 RFID module to read and display RFID tag UIDs on the Serial Monitor. This project uses an RFID-RC522 module with Arduino to read RFID tags and display the ...

CREATE TABLE usuarios ( id INT AUTO_INCREMENT PRIMARY KEY, nome VARCHAR(100) NOT NULL, uid VARCHAR(50) NOT NULL UNIQUE ); CREATE TABLE logs ( id INT AUTO_INCREMENT PRIMARY KEY, uid VARCHAR(50) NOT ...