there is a magnetic switch on a box to sense the voltage. When the box is open, the magnet move apart, and sound will be played. When it close, the music stop. The box will play sound when it open again. However, I just want to play the sound one time but I find that the follow code unable to stop t…

Magnetic switch loop

MarkT April 10, 2014, 12:00pm 3

Look at and study the example 02.Digital > StateChangeDetection

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