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Features:Support Micro SD Card, Micro SDHC card (high-speed card)The level conversion circuit board that can interface level is 5V or 3.3VCommunication interface is a standard SPI interfaceControl Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground,VCC is the power supply,..

RFID Reader/Writer MFRC-522 RC522 with Card and Tag includes a 13.56MHz RF reader cum writer module that uses an RC522 IC and two S50 RFID cards. The MF RC522 is a highly integrated transmission module for contact-less communication at 13.56 MHz. RC522 supports ISO 14443A/MIFARE mode. This is RFID ..