基于ATMEGA16L-8PI单片机的线阵LED图文显示装置

系统由标志杆、16位线阵LED、单片机、电机及调速控制装置、电池、稳压电源等模块组成。以单片机作为主控芯片,通过光敏三极管检测外界光照变化实现自动调节LED亮度显示,采用顶部的独立按键切换,通过C语言进行软件编程,在定位杆和LED装置中的红外对管进行对齐,利用视觉暂留的原理,实现了电机控制LED线阵进行同心圆的顺序和逆序控制,“秒表”显示时间稳定精确,并能清晰显示“TI杯”字符。

This system is composed of sign rod,16-bit linear array LED,single chip microcomputer,motor and speed control device,battery,stabilized voltage power supply and other modules.With the single chip processor as the master control chip,through the light activated triode testing outside illumination changes automatically adjust brightness LED display,using the principle of persistence of vision,it has realized the motor control LED the order of the linear array of with concentric circles and reverse control,stopwatch show time stable precision.

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