SOLVED: How can I reduce ADC jitter

[richard]

I try to keep my development code as close to final as possible, cause I know I'll forget to change stuff back. At least this way I can fire and forget the pin initialization

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grounding unused pins and setting them as outputs is pointless , useless and potentially catastrophic


just leaving them as analog is ten times easier and can never do any harm, setting them as input with wpu on is also ok and can never do any harm

if the device is not battery powered its not worth any sort of effort