The display takes LED Dot-matrix as its display device, and ARM core microcontroller as its control device.
该显示屏采用LED模块作为显示器件，采用ARM核单片机作为控制器件。
It can be used to measure the luminous intensity, forward voltage, reverse current of each luminous dot in all kinds of LED luminous dot matrix.
能测试各种LED发光矩阵每个发光元的发光强度，正向压降和反向电流。
The LED(light-emitting diode) dot matrix screen is constitute of computer, data transfer unit and display unit.
大型LED（发光二极管）显示屏由计算机、数据转换单元与显示单元组成。
It USES PC to transform Chinese character interior code in the sentence to dot matrix display data and send them to LED display screen through serial device.
利用pc机将汉字语句汉字内码转换为点阵显示数据，通过串行口送给显示屏。
However, the characteristics of LED dot matrix display is not only here, LED dot matrix display using a digital, and digital tube has a practical, cost advantages.
然而LED点阵显示屏的特点不仅仅于此，LED点阵显示屏用的是数码管，而数码管具有实用，便宜等优点。
LED dot matrix display made out of very durable.
做出来的LED点阵显示很耐用。
LED dot matrix display made out of very durable.
做出来的LED点阵显示很耐用。
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