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Add comment to I2C slave sample to clarify need to pull-ups
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@josesimoes
josesimoes committed Jul 26, 2024
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Expand Up @@ -7,6 +7,8 @@ Shows how to use the [System.Device.I2c](http://docs.nanoframework.net/api/Syste
Two ESP32 devices board.
The code sample is demonstrative of the use of the I2C and I2C slave APIs.

The native driver sets the GPIOs for the I2C bus to use internal pull-ups. For most scenarios, this is sufficient. However, for long buses strong pull-ups maybe required.

## Related topics

### Reference
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