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board: last minute tweaks before manufacturing

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Victoria Fischer
2026-03-14 12:21:30 +01:00
parent b031e4c64b
commit a0580b08e6
4 changed files with 4720 additions and 5 deletions
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board/TODO.md
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@@ -7,4 +7,10 @@
R2:
[ ] some kind of power consumption measuring chip? INA233?
[ ] protection diodes on usb lines?
[ ] pull-down resistor before LED strip?
[ ] pull-down resistor before LED strip?
[ ] CS line on SD card
R3:
[ ] MP2662 lipoly charger chip on a 3.7v battery at 2500mAh
[ ] redesign power supply to use a buck booster from the 3.7v battery to 5v for the display, and a simple divider directly off the battery for 3.3v for system power
[ ] soldering ports to accept 3W at 6VAC to charge the battery from the bike dynamo