The module uses SPI to communicate with micro controllers. The open-hardware community already has a lot of projects exploiting the RC522 – RFID Communication, using Arduino.
Integrated MF RC522,13.56MHz contactless communication card chip, Low-voltage, low-cost, small sizes of the non-contact card chip to read and write., Suitable for Smart meters and portable handheld devices, Advanced modulation and demodulation concept completely integrated in all types of 13.56MHz passive contactless communication methods and protocols,14443A compatible transponder signals,ISO14443A frames and error detection, Supports rapid CRYPTO1 encryption algorithm, terminology validation MIFARE products,MFRC522 support MIFARE series of high-speed non-contact communication, two-way data transmission rate up to 424kbit/s,Low cost, and ideal for user equipment development, The reader and RF card terminal design meets advanced applications development and production needs, Can be directly loaded into the various reader molds, very convenient.
Operating Current: 13-26mA / DC 3.3V,Idle Current: 10-13mA / DC 3.3V,Sleep Current: < 80uA,Peak Current: < 30mA,Operating Frequency: 13.56MHz,Supported card types: mifare1 S50, mifare1 S70 MIFARE Ultra light, mifare Pro, MIFARE DESFire,Environmental Operating Temperature: -20 – 80 degrees Celsius, Environmental Storage Temperature: -40 – 85 degrees Celsius, Relative humidity: relative humidity 5% – 95%,Reader Distance: ≥ 50mm / 1.95″ (mifare 1),Module Size: 40mm x 60mm,Module interface: SPI, Data transfer rate: Maximum 10Mbit/s.
1x a RFID-RC522 Module
1x the Standard S50 Blank Card
1x S50 special-shaped card (as shown by the key ring shape)
1x Straight Pin
1x Curved Pin