Can "cascade" approach the composition of arbitrary large dot matrix display.
可采用“级联”的方式组成任意点阵大显示屏。
The former features a dot matrix display and the latter is a scrolling arrow which is green on ascending and red on descending.
后者则是一个滚动式箭咀，向上行时是绿色而向下时则是红色。
Dot matrix display clock program that can display temperature, etc., can be modified through the serial port!
说明：点阵显示时钟的程序，能够显示温度等，可以通过串口修改！
Dot matrix display clock program that can display temperature, etc., can be modified through the serial port!
说明：点阵显示时钟的程序，能够显示温度等，可以通过串口修改！
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