Netduino 2 is an open source electronics platform using the .NET Micro Framework. Featuring a 32-bit microcontroller and a rich development environment. Suitable for engineers and hobbyists alike. 

 

Features

• Input. Output
  • Interface with switches, sensors, LEDs, serial devices, and more.
  • Netduino 2 combines 22 GPIOs with SPI, I2C, 4 UARTs (1 RTS/CTS), 6  PWM and 6 ADC channels.
• Code. Debug. Repeat
  • .NET Micro Framework combines the ease of high-level coding and the f eatures of microcontrollers. 
• Very expandable
  • 3rd-party accessories offer pre-built functionality like GPS location, servo control and battery power.
  • Netduino 2 is also pin compatible with Arduino shields.  
  • Drivers are required for some Arduino shields
• Design files includes
  • Netduino 2 is an open source electronics platform.
  • Design files and source code are included. 

Specifications

• Microcontroller : STMicro STM32F2
• Speed : 120 MHz (Cortex-M3)
• Code Storage : 192 KB
• RAM : 60 KB
• All 22 Digital And Analog Pins: GPIO
• Digital Pins 0-1: UART 1 RX, TX
• Digital Pins 2-3: UART 2 RX, TX/PWM
• Digital Pins 5-6: PWM, PWM 
• Digital Pins 7-8: UART 3 RX, TX(also works as UART 2 RTS, CTS)
• Digital Pins 9-10: PWM, PWM
• Digital Pins 11-13: PWM/MOSI, MISO, SPCK
• Digital Pin SD/SC: SDA/SCL(also works as UART 4 RX, TX)
• Input: 7.5 - 9.0 VDC or micro USB powered
• Output: 5 VDC and 3.3 VDC regulated
• Max Current: 25 mA per pin 
• Digital i/o are 3.3 V--but 5 V tolerant
• Storage : add-on: sd shields (up to 2 gb)
• Gobus Ports : none
• Operating Temperature : 0 - 70 °C (32 - 158 °F)
• Rohs : rohs compliant

Parts list

• Netduino 2
• Four sticky feet

Document

• STM32F205RF (datasheet)
• STM32F205RF (reference manual)
• netduino 2 schematics
• netduino 2 board layout
• .NET Micro Framework v4.2 source
• netduino 2 firmware v4.2.2 source