Due R3 (Arduino Compatible)
This Arduino-Compatible Due R3 is the first in the Arduino-compatible family of boards based on a 32-bit ARM core microcontroller. 54 digital input/output pins (12 PWM capable), 12 analog inputs, 4 UARTs, a 84 MHz clock, an USB OTG capable connection, 2 DAC, 2 TWI, a power jack, an SPI header, a JTAG header, a reset button and an erase button.