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by analog31
1226 days ago
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Good point. Indeed, a closer look is needed in order to make use of any feature of a MCU board that's not built into the MCU itself. I've gotten in the habit of going straight to the schematic, e.g., for the Wemos C3 pico: https://www.wemos.cc/en/latest/_static/files/sch_c3_pico_v1.... Battery charging is handled by an external chip, so I've looked up its datasheet when I needed (for instance) to reduce the charging current. The schematic shows a voltage divider feeding one of the ADC inputs for battery monitoring. Also, no schematic, no buy. I've had good results with stuff from Wemos. I've also gotten boards that were definitely copies, worked fine, but caveat emptor. |
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