PS2键盘实验,ps2键盘演示程序，特别注意 安装1602液晶， 烧写程序后，把电脑的键盘 插入键盘接口。按键液晶则有显示.-PS2 keyboard experiment, ps2 keyboard demo program, special attention to the 1602 installation, programming procedures, the computer s keyboard into the keyboard interface. LCD is a d