AD noisy? (No)
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The SDO112A fed the M5 with quite a clean signal and got something very noisy on the Oscillo @Calin made.
Is the AD input of the esp32 noisier than an stm32 or the old arduino, is this the amp that M5 hardware added?
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After disconnecting the M5 from the computer and grounding the source, the sampled signal is very clean.
