https://github.com/lsongdev/rfid-rc522

RFID-RC522 for Arduino
https://github.com/lsongdev/rfid-rc522

arduino nfc rfid

Last synced: 3 days ago
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RFID-RC522 for Arduino

• Host: GitHub
• URL: https://github.com/lsongdev/rfid-rc522
• Owner: lsongdev
• Created: 2014-02-19T02:59:56.000Z (almost 11 years ago)
• Default Branch: master
• Last Pushed: 2018-07-18T04:41:10.000Z (over 6 years ago)
• Last Synced: 2024-12-31T10:05:36.654Z (5 days ago)
• Topics: arduino, nfc, rfid
• Language: C++
• Size: 15.6 KB
• Stars: 24
• Watchers: 4
• Forks: 23
• Open Issues: 2
• Metadata Files:
  • Readme: README.md

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README

        
# Get start RFID with Arduino

## First

+ Arduino UNO v3

+ RFID RC522

## Connect

Pin layout should be as follows:

| RFID | Arduino |

|:-----|--------:|

| 3.3V | 3.3V    |

| RST  | 9       |

| GND  | GND     |

| MISO | 12      |

| MOSI | 11      |

| SCK  | 13      |

| SDA  | 10      |

| IRQ  | -       |

 **IRQ** Not connected

## Installing RFID Libraries

	cd ~/Documents/Arduino/libraries

	git clone https://github.com/song940/rfid.git RFID

	

reboot arduino .

## Example Code

```cpp

#include 

#include 

#define SS_PIN 10

#define RST_PIN 9

RFID rfid(SS_PIN, RST_PIN);

void setup()

{

  Serial.begin(9600);

  SPI.begin();

  rfid.init();

}

void loop()

{

  if (rfid.isCard()) {

    Serial.println("Find the card!");

    if (rfid.readCardSerial()) {

      Serial.print("The card's number is  : ");

      Serial.print(rfid.serNum[0],HEX);

      Serial.print(rfid.serNum[1],HEX);

      Serial.print(rfid.serNum[2],HEX);

      Serial.print(rfid.serNum[3],HEX);

      Serial.print(rfid.serNum[4],HEX);

      Serial.println(" ");

    }

    rfid.selectTag(rfid.serNum);

  }

  rfid.halt();

}

```

    

## License

[MIT](http://lsong.mit-license.org/)