This product can now be purchased at www.ghielectronics.com. This smart module includes a 32bit microcontroller. The stock firmware controls a bright multicolor LED (fade, blink,..) through .NET Gadgeteer DaysyLink protocol commands sent from .NET Gadgeteer mainboard. It also allows chaining with other DaisyLink modules. Advanced users may program or customize the on-board microcontroller. The microcontroller is NUVOTON M054LAN: ARM 32bit Cortex-M0. Speed: 50MHz. Flash: 16KBytes. RAM: 4KBytes. Requires socket type X or Y. For more information about .NET Gadgeteer and .NET Gadgeteer DaisyLink visit http://netmf.com/gadgeteer/ Resources Source Code External Links you need to download the following software to start your Gadgeteer: Development tool : Microsoft Visual C# Express 2010 Micro framework: Microsoft .NET Micro Framework 4.1 SDK The Gadgeteer core, mainboard SDk and module driver(GHI) You can download these tools at : http://tinyclr.com/support