[EOL] Mini RFID Reader/Writer Unit (MFRC522)

PRODUCT DETAILSDescription RFID has an RFID MFRC522 chip inside.The MFRC522 operates in the 13.56MHz frequency band and uses the modulation and demodulation principle to interact with the proximity RF card. This unit can realize the function of the card reading and writing device, to identify and record multiple card information, to encode and authority a RF card.It is able tp establish applications such as access control system, punching system, warehouse goods storage and community vehicle access registration.Connect this Unit to GROVE PORTA on M5Core, I2C address is 0x28.Product Features 13.56MHz Operation frequency I2C data rate: Fast mode: up to 400 Kbit/s; High-speed mode: up to 3400 Kbit/s RC522 Transceiver Buffer: 64 bytes Supported protocol: ISO14443A, MIFARE and NTAG Operate temperature: -20℃-85℃ How long data be saved for: > 10 years Reading and writing distance: < 20 mm Program Platform: Arduino, UIFlow (Blockly, Python) Two Lego installation holes This product is