RFID Mini SPI Module 13.56MHz Read-Write Card Chip MFRC522 V1.1

Module Description:
The RC522 module is a Mifare card reading and writing module based on NXP RF base station chip. The module works at 13.56MHz frequency and complies with ISO14443A standard. It can support Mifare1 S50, Mifare1 S70, Mifare Light, Mifare UltraLight, Mifare Pro. The module is easy to use, highly reliable, and small in size. It can help customers easily and quickly apply non-contact cards to the system.
Interface pin definition and module parameters
Module size 35mm x 25mm, ultra-small size, easy to embed your system
Working frequency 13.56MHz
Working voltage 2.5 ~ 3.6V
Card Reading Distance: 0-50mm
Working current Use program routine card search current 20mA (3.3V power supply)
Support type MIFIRE1 S50 S70 UltraLight Pro
Work Temperature -25°C ~ + 85°C
Symbol IO type Function description
3.3V: Power supply Positive
GND: Power supply Ground
RST: input Reset
MISO: output SPI port slave output
MOSI: input SPI port slave input
SCK: input SPI port clock
NSS: input SPI port chip selection