RP2040 Set the neopixel pin as output after PIO use #4160
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Just tested with my Airlift attached -- seems to have fixed the issue for me as well. |
dhalbert
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Feb 8, 2021
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dhalbert
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Thanks for this fix! Will merge after jobs complete.
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Once the PIO is done with the neopixel pin it needs to be re-initialized to be output and driven low to prevent the first neopixel from getting accidentally turned on. Otherwise it seems to float and can cause random behavior.