This battery powered esp32 is making a little sound when on. Any

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This battery powered esp32 is making a little sound when on. Any
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This battery powered esp32 is making a little sound when on. Any
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This battery powered esp32 is making a little sound when on. Any
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This battery powered esp32 is making a little sound when on. Any
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This battery powered esp32 is making a little sound when on. Any
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This battery powered esp32 is making a little sound when on. Any
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This battery powered esp32 is making a little sound when on. Any
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This battery powered esp32 is making a little sound when on. Any
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This battery powered esp32 is making a little sound when on. Any
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This battery powered esp32 is making a little sound when on. Any
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