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orangecrab-fpga / orangecrab-hardware

ECP5 breakout board in a feather physical format
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r0.2.1: VBATT voltage divider #30

Closed gregdavill closed 3 years ago

gregdavill commented 3 years ago

Issue

Voltage divider resistors were changed to 100k to reduce static power draw.

But this changes the current into the ADC circuit. Because of this different readings of the battery/charger are observed compared to the r0.2 boards.

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