General specs Same size as an Arduino Leonardo
Uses NXP PN532 chip for NFC
Includes KeyDuino library
Pinout
Input Voltage (Jack) – 7-12volts
On board 5v & 3.3v regulator
GPIO Pins – 20
PWM channels – 7
Analog input channels – 12
Serial Communication: software UART, software SPI, I2C
DC Current per I/O Pin - 40 mA
Technical specs Processor : ATMEGA 32u4
Flash Memory - 32 KB.
4KB used by bootloader.
SRAM - 2.5 KB
EEPROM - 1 KB
Clock Speed - 16 MHz
LED’s for serial communication (RX, TX), supply & D13
NFC – PN532 connected by HSU
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