Netduino is an open source electronics platform using the .NET Micro Framework.

Following the success of the original Netduino board, the wizards at Secret Labs have conjured up yet another fantastically produced board in ultra compact form factor, the Netduino Mini

 

Technical Specification

Product Size Processor and Memory     ●  Atmel 32-bit microcontroller     ●  Speed: 48MHz, ARM7     ●  Code Storage: 152KB     ●  RAM: 64 KB Microcontroller Documentation     AT91SAM7X512 (summary)     AT91SAM7X512 (datasheet) System Requirements General ● RS232 serial port or USB TTL serial cable (3.3V) Windows   ● Windows XP, Vista, or 7 (32 or 64 bit)   ● 1.6 GHz or faster processor   ● 1 GB RAM   ● Up to 3 GB of available hard drive space for Visual Studio Express 2010 Mac OS and Linux   ● Parallels Both USB and Serial deployment supported Requires copy of Windows in virtual machine   ● VMWare Fusion or Oracle VirtualBox Serial deployment supported Requires copy of Windows in virtual machine   ● Experimental Mono (native) support Future native Mac OS and Linux support provided by an experimental open source project Environmental ● operating temperature: -40 - 85 °C (-40 - 185 °F) ● RoHS compliant ● Pb-free (lead-free)

Input and Output Digital I/O Features ● all 16 digital and analog pins: GPIO ● pins 1-3: RS232 TX, RX, DTR ● pins 9-10: I2C SDA, SCL ● pins 11-12: UART 1 TX, RX ● pins 14-16: SPI MOSI, MISO, SPCK ● pins 17-20: PWM, PWM, PWM, PWM Power Pins   ● pin 4: GROUND   ● pin 21: 5 VDC regulated (input/output)   ● pin 22: /RESET   ● pin 23: GROUND   ● pin 24: 7.5 - 12.0 VDC (input) Power ● input: 7.5 - 12.0 VDC ● output: 5 VDC regulated ● max current: 8 mA per pin pins 5-8: 2 mA per pin pins 11-12: 16 mA per pin microcontroller max current: 200 mA total digital i/o are 3.3 V--but 5 V tolerant   Design Files and Source Code Design Files (Open Source)   ● netduino schematics   ● netduino board layout Source Code (Open Source)   ● .NET Micro Framework v4.1 source   ● netduino firmware v4.1.0 source   ● netduino sdk v4.1.0 source