You can use CCS for usb interface to PC.By using 'usb_cdc' driver you can create a virtual serial port for easy programming.By using VB or C# you can easily do your job.....
Connection details
Red: + 5V / Voltage + / VCC
White: D - / Data - / USB -
Green: D + / Data + / USB +
Black: GND / Voltage - / Ground