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
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