GTP USB PIC Programmer
This PIC programmer supports pic10F, 12F, 16C, 16F, 18F,24Cxx Eeprom. It works with only Winpic800 v.355. The designer said that he have succesfully tried it with some pics; PIC18F252, 18F2455, 18F2550, 18F2520, 16F84, 16F628 and 24C32 eeprom. But firstly, you need program pic18F2550 with hex file by a classical programmer.
You can download usb driver, layout of the circuit , all of the pics of the circuit, and hardware setting program here rename the file extension with .rar and document here (PDF)
