#define SS_PIN 10 // Configurable, see typical pin layout above MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance. String read_rfid; // Add how many you need and don't forget to include the ...
Este proyecto implementa un sistema de control de encendido y apagado basado en la tecnología RFID utilizando un microcontrolador compatible con Arduino. El sistema verifica una llave RFID autorizada ...
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 ...
If you’re the kind of person who has friends, and/or leaves the confines of the basement from time to time, we hear that these “Escape Rooms” are all the rage. Basically you get locked into a room ...
Abstract: Traditional key-based locking systems are progressively being replaced by more effective and cutting-edge technological solutions in the security and access control domain. The design and ...
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