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shumaguan
- 数码管通常是由多个发光二极管封装在一起组成“8”字型的器件,数码管特定的段加上电压后,这些特定的段就会发亮,显示出特定信息的显示器!-The digital tube is usually composed of a plurality of light emitting diodes together to form a 8 type of device, digital tube specific segment plus voltage, these specific segments