From dfa78f244e1f0e6403c789ff5253a520ce996d24 Mon Sep 17 00:00:00 2001 From: Cao Sen Miao Date: Wed, 4 Jan 2023 12:28:20 +0800 Subject: [PATCH] I2C: Fix doc about pull-up, Closes https://github.com/espressif/esp-idf/issues/9791 --- examples/peripherals/i2c/i2c_tools/README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/examples/peripherals/i2c/i2c_tools/README.md b/examples/peripherals/i2c/i2c_tools/README.md index effb1382f3..cac922ee77 100644 --- a/examples/peripherals/i2c/i2c_tools/README.md +++ b/examples/peripherals/i2c/i2c_tools/README.md @@ -37,7 +37,7 @@ To run this example, you should have any ESP32, ESP32-S and ESP32-C based develo | ESP32-H4 I2C Master | GPIO5 | GPIO6 | GND | GND | 3.3V | | Sensor | SDA | SCL | GND | WAK | VCC | -**Note: ** There’s no need to add an external pull-up resistors for SDA/SCL pin, because the driver will enable the internal pull-up resistors itself. +**Note:** It is recommended to add external pull-up resistors for SDA/SCL pins to make the communication more stable, though the driver will enable internal pull-up resistors. ### Configure the project