Controllable LED Display Based on Microcontroller of AT89S51

Microcontroller is widely used in industrial control,home appliances,intelligent instrumentation,computer peripherals and other aspects important purpose.At the same time,it has brought great change to our daily lives.In this paper,89C51 microcontroller and LED rotating screen as the core design rotating LED display.LED display with a row of LED lights,which is controlled by the microcontroller to adjust the LED light off,and made the LED lights high-speed rotating.According to the phenomenon of persistence of vision,the ob server observed characters,Chinese characters,and even patterns.Designing the hardware,software,circuit and using the phenomenon of persistence of vision to complete this experiment,the results are satisfactory.