From ba328d122e72e86423285dc3bb4d59dfb4c59566 Mon Sep 17 00:00:00 2001 From: josesimoes Date: Fri, 26 Jul 2024 17:14:56 +0100 Subject: [PATCH] Add comment to I2C slave sample to clarify need to pull-ups --- samples/I2C/I2cMasterSlave/README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/samples/I2C/I2cMasterSlave/README.md b/samples/I2C/I2cMasterSlave/README.md index 642b15a3..15ab3105 100644 --- a/samples/I2C/I2cMasterSlave/README.md +++ b/samples/I2C/I2cMasterSlave/README.md @@ -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