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add notes based on assembly

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jacqueline 2023-04-18 15:08:14 +10:00
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io expander mpn and footprint disagree (warning: mouser product images are reversed)
should SEL be tied to samd?
sd card holder needs to be inset
trs esd protection footprint is wrong
should esp en be a pulldown? then it's off unless the samd turns it on
do we need inrush current limiting after the 3v3 reg?