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Update VBAT schematic

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João Brázio 2025-06-16 21:28:59 +01:00
parent 110bd49407
commit 24464d0c4e
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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. * 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. * Nevertheless it's very easy to make it work, you only require two 1% resistors.
* *
* VSYS -- /\/\/\/\-- --+ * BAT+ -----+
* 200k | * |
* +-- GPIO28 * VSYS --+ -/\/\/\/\- --+
* | * 200k |
* GND -- /\/\/\/\-- --+ * +-- GPIO28
* 100k * |
* GND --+ -/\/\/\/\- --+
* | 100k
* BAT- -----+
*/ */
#define PIN_VBAT_READ 28 #define PIN_VBAT_READ 28
#define BATTERY_SAMPLES 8 #define BATTERY_SAMPLES 8