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[Docs] Update joystick.md (#23928)

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Explicit note about compatibility with ARM boards and the ADC driver
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Armin Anderson 2024-08-30 20:44:03 -07:00 • committed by GitHub
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docs/features/joystick.md
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@ -18,6 +18,8 @@ By default the joystick driver is `analog`, but you can change this with:
JOYSTICK_DRIVER = digital
```
When using `analog` with ARM, [you must use 3.3v with your Joystick](../drivers/adc). Although ARM boards such as the [Helios](https://keeb.supply/products/0xcb-helios) have 5v pin output, the ADC driver does not support it.
## Configuration {#configuration}
By default, two axes and eight buttons are defined, with a reported resolution of 8 bits (-127 to +127). This can be changed in your `config.h`: