Describe the tone pattern you hear (i.e., high or low, how long, etc.).
High, mid, low, about 1 second
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Does this code play all the songs in all the directories of the SD card? If not, which songs does it play? How does it keep from playing the text file?
It plays the first song on the sd card, and plays it in order. It makes sure the file ends with .mp3 or .wav
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What are the pros and cons of using this method?
It doesn't track multiple presses
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https://youtu.be/C80Wl0wB4OE
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