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Update VBAT schematic

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This commit is contained in:
João Brázio
2025-06-16 21:28:59 +01:00
parent 110bd49407
commit 24464d0c4e
1 changed files with 9 additions and 6 deletions
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15
src/helpers/rp2040/WaveshareBoard.h
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@@ -22,12 +22,15 @@
* This board has no built-in way to read battery voltage.
* Nevertheless it's very easy to make it work, you only require two 1% resistors.
*
* VSYS -- /\/\/\/\-- --+
* 200k |
* +-- GPIO28
* |
* GND -- /\/\/\/\-- --+
* 100k
* BAT+ -----+
* |
* VSYS --+ -/\/\/\/\- --+
* 200k |
* +-- GPIO28
* |
* GND --+ -/\/\/\/\- --+
* | 100k
* BAT- -----+
*/
#define PIN_VBAT_READ 28
#define BATTERY_SAMPLES 8