arduino呼吸灯
时间: 2023-08-27 09:11:27 浏览: 126
Arduino呼吸灯效果通过逐渐改变LED的亮度来实现。可以使用for循环和延时函数来控制亮度的渐变。在给定的程序中,通过调用fadeon()和fadeoff()函数来实现渐亮和渐灭的效果。在这些函数中,使用analogWrite()函数来输出PWM信号控制LED的亮度,同时使用delay()函数来控制亮度变化的速度和流畅度。如果没有延时语句,整个变化过程会非常快,肉眼无法观察到亮度的调节效果。 [2 [3<em>1</em><em>2</em><em>3</em>
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