4-PC RFID Keyfob NFC 13.56MHz Writeable IC Memory 8Kbit

Description

What it is

The RFID Keychain 4 Pack NFC 13.56MHz is a set of keys compatible with Arduino, ideal for projects requiring access control and security systems.

Features

• Compatible with RFID/NFC 13.56MHz
• Set of 4 pieces
• Writable memory 8Kbit

What it is for

RFID keychains are useful for creating access systems that unlock doors or other entries. Ideal for security and access control projects, these keychains are compatible with Arduino and can be used by beginner makers.

Tutorial: How to use RFID keys (SKU: ARD00415)

These RFID keys are useful for access control and security projects. Ideal for beginner makers.

What you need

• Arduino
• RFID cartridge
• RFID reader/writer
• cables

Steps

1. Connect the RFID key to the reader/writer.
2. Open Arduino IDE and install the MFRC522 library.
3. Write data to the key using the provided script.
4. Read data from the key to ensure correctly written data.

Example code

/* Includi il librario */
#include <MFRC522.h>

// Definisci le pin utilizzate dal modulo RFID
#define SS_PIN 10
#define RST_PIN 9

MFRC522 rfid(SS_PIN, RST_PIN); // Oggetto MFRC522 per il modulo RFID

Mini project

Create an access system that unlocks doors with RFID keys.

Common mistakes

• Do not connect the RFID key correctly.
• Forget to install the MFRC522 library in Arduino IDE.
• Write incorrect data to the RFID key.

Recommended accessories

• RFID reader/writer
• Arduino Uno
• RFID tag

Frequently asked questions

How can I write to multiple keys?
Use the provided script for each new key.

What data can I save on the key?
Check the product datasheet.