51单片机开发演示实验，实验现象：LED循环右移，了解程序运行逻辑(51 MCU development demonstration experiment, experimental phenomenon: LED cycle right shift, understand the logic of program operation)

演示内容：模拟公交车语音报站器 本程序用于89C51/89C52/89S51/89S52及与其兼容的其他单片机(Demonstration Content: Simulated Bus Voice Station Announcer This program is used for 89C51/89C52/89S51/89S52 and other microcontrollers compatible with it.)