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我有一个循环检查传感器的状态。如果它处于一种状态,我使用digitalWrite(1,HIGH)点亮一个LED,否则,我写LOW。这会在一秒钟内多次发生在一个紧密的循环中。
写这么多次是可以的,还是设置一个标志并且只在标志改变时才写更好的做法?
这对董事会来说应该不是问题。您还可以在循环结束时添加一个短暂的延迟 ( delay(5);)
delay(5);