本实例使用proteus仿真软件，仿真51单片机的串口通信功能，同时带有LCD显示功能。-This example uses proteus simulation software, simulation of 51 single-chip serial communication function, and with LCD display.

51单片机Proteus仿真实例，PROTEUS实例，4X4键盘显示-51 single Proteus simulation example, PROTEUS instance, 4X4 keypad display