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add sd ferrite info

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jacqueline 2023-04-24 11:02:49 +10:00
parent c02dd83bef
commit 59de69ea6f
1 changed files with 3 additions and 0 deletions
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notes-from-r3.txt
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@ -4,3 +4,6 @@ sd card holder needs to be inset
trs esd protection footprint is wrong trs esd protection footprint is wrong
should esp en be a pulldown? then it's off unless the samd turns it on 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? do we need inrush current limiting after the 3v3 reg?
bump up sd card cp to 47uF, add ferrite after sd mosfet. something like:
- TDK NLCV32T-1R0M-PF
- EMTEK LCD0805-R82K-T