This product can now be purchased at www.ghielectronics.com. Need a really long cable? Use this extender to connect 2 cables. The Extender Module also exposes all signals allowing for signal tracing or for inserting module into a breadboard. If used with breadboard, a 0.1" header (not included) needs to be soldered on the module. No requirements. Works with any socket. 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