Led
发光二极管，简称为LED，是一种常用的发光器件，通过电子与空穴复合释放能量发光，它在照明领域应用广泛。[1]
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a simple implementation of a frequency meter with the BCD-counter and the 7-segment LED display
a simple implementation of a frequency meter with the BCD-counter and the 7-segment LED display...
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try to connect your com serial with your arm kit and see the led control executable binary ...
try to connect your com serial with your arm kit and see the led control executable binary ......