Clock display on LED panel 时钟显示的LED显示屏
The music alarm clock from SCM system is the smallest system and the expansion of LED display circuit and voice circuit .
该音乐闹钟系统是由单片机最小系统及扩展LED显示电路和语音电路组成。
The function of display panel is to carry on the data scanning for LED Displaying Screen and display a complete image under the controlling of the clock.
显示板的功能是在时钟控制下，对LED大屏幕进行数据扫描，显示一幅完整的图像。
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