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Q: Some say it’s noisy. Can you specify that? Thx

Asked by qiang li on 2020-05-23 06:16:28

BG525750392 Lots of gears inside

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Q: can this board work on 3.7V DC?

Asked by ivan_margit on 2019-10-09 09:40:55

BG525750392 5v only

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