用51单片机写的一个PS2鼠标的DPI可变的FIRMWARE-51 single-chip microcomputer with a PS2 mouse to write the DPI variable FIRMWARE

ps2键盘与51单片机通信 拥有基本功能的键码输入 应用于单片机设计的键盘输入方面非常的实用-ps2 keyboard with 51 single-chip communication has a key code of the basic functions of input used in single-chip design of the keyboard is very practical

8051的汇编写的USB 及PS2程序，调试通过!可以直接用到产品上!-8051 of the compilation of written USB and PS2 procedures, debugging through! Can be used directly on the product!

51单片机显示PS2鼠标坐标，测试可以用。-51 MCU display PS2 mouse coordinates