intensity circuit
... intensity bridge ratio ==> 强度分路比率 intensity circuit ==> 亮度控制电路 intensity contorl ==> 辉度调节 ...
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分析了脉宽调制信号动态调节LED亮度的原理，设计了单片机控制电路；
The principle of PWM signals adjusting LED bright was analyzed, and the controlling circuit of MCU was designed.
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