FEZ Domino

FEZ  is a tiny board running Microsoft .NET Micro Framework. This means, you can write code with much more efficiency using C# programming language under free Microsoft Visual C# express.  Build your next projects in minutes by connecting FEZ Domino to one of the shields or the many available components.

Many libraries are already included like FAT file system, threading, UART, SPI, I2C, GPIO, PWM, ADC, DAC and many more.
 

Brochure and Pin-out

Design Files (Advanced)

Schematics