How do the 2x2 Sound Bricks work?

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Asked 27 days ago

Modified 27 days ago

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How is sound created by the Sound Bricks 4774c01 and 4774c02?

What is inside of them? What electronic components are used to create this sound?

zovits

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asked Aug 11 at 8:24

user25152

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I don't have one to tear down right now, but I assume the contents are similar to those musical greeting cards that contain a tiny microcontroller and a piezo speaker. See for example steps 1-10 of this.
– zovits
Commented Aug 12 at 8:36

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