这是基于PIC18F4550开发的USB HID设备 ，使用MPLAB+C18开发环境，,This is based on the PIC18F4550 development of USB HID devices, the use of MPLAB+ C18 development environment,

该程序是一个基于pic18F4550的HID设计的程序，并且编写了相应的与上位机通讯的VB程序，全部程序经过了调试。-The program is a design based on the HID of pic18F4550 procedures and with the preparation of the corresponding VB PC communications procedures, all procedures have been debugging.

usb joystick using 18f4550 microcontroller : with 12 input button and one three axis joystick