This product can now be purchased at www.ghielectronics.com. Using this module, any of the serial UART sockets on mainboard can be converted into a virtual serial connection over USB. Use this connection to transfer data to a PC or for debugging over serial (virtual serial over USB). This is useful when needing to free up the USB client port for other purposes, like simulating a mouse or keyboard on USB Client port. Works with any socket type U. Can also work with K sockets (serial + handshaking) with minor hardware changes. Note that K is purposely not marked on the module. 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