Netduino Plus 2 168MHz Cortex-M4 MCU. 384KB Code Storage. 100+ KB Available RAM. Netduino Plus 2 offers 22 GPIOs combined with SPI, I2C, 4 UARTs (1 RTS/CTS), 6 PWM channels and 6 12-bit ADC channels. Plus MicroSD storage and Ethernet IP networking. .NET Micro Framework combines the ease of high-level coding and the raw features of microcontrollers. 3rd-party accessories offer pre-built functionality like GPS location, servo control and battery power. Design files and source code are included. MicroUSB cable included for a limited time.