AVR单片机ATmega32和USB接口芯片CH375组成鼠标控制系统，控制相应的按键，可以使PC机上的光标产生相应的移动，从而形成鼠标的功能。-ATmega32 AVR microcontroller and USB interface chip CH375 control system composed of the mouse to control the corresponding button, you can make the cursor on the PC, a corresponding movement to form the function of the mouse.