João Brázio
12 months ago
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GPG Key ID: 56A1490716A324DD
1 changed files with
9 additions and
6 deletions
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src/helpers/rp2040/WaveshareBoard.h
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@ -22,12 +22,15 @@ |
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* This board has no built-in way to read battery voltage. |
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* Nevertheless it's very easy to make it work, you only require two 1% resistors. |
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* |
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* VSYS -- /\/\/\/\-- --+ |
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* 200k | |
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* +-- GPIO28 |
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* | |
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* GND -- /\/\/\/\-- --+ |
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* 100k |
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* BAT+ -----+ |
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* | |
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* VSYS --+ -/\/\/\/\- --+ |
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* 200k | |
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* +-- GPIO28 |
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* | |
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* GND --+ -/\/\/\/\- --+ |
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* | 100k |
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* BAT- -----+ |
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*/ |
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#define PIN_VBAT_READ 28 |
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#define BATTERY_SAMPLES 8 |
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