今天在观察LED工作的时候,好奇LED是怎么控制的,只有三根线,但是有5盏灯,挺好奇的,请问是用硬件控制的还是PWM定时器控制的
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今天在观察LED工作的时候,好奇LED是怎么控制的,只有三根线,但是有5盏灯,挺好奇的,请问是用硬件控制的还是PWM定时器控制的