Interface pin definition and module parameters
Module size 3.5mm * 2.5mm, super small size, easy to embed into your system
The working frequency is 13.56MHz
The working voltage is 2.5 ~ 3.6V
Working current using program routine, card searching current 20mA (3.3V power supply)
Support type mifire1 S50 S70 ultralight Pro
Working temperature – 25 ~ + 85 ℃
grade IO type Function description
3.3V Power Supply Power supply positive
GND Power Supply Power ground
RST input reset
MISO output SPI port slave output
MOSI input SPI port slave input
SCK input SPI interface clock
NSS input SPI port selection
