I2C_LCD_PCF8574 I2C Liquid Crystal Display driver

This repository contains an ESP-IDF driver for a Hitachi HD44790 compatible LCD attached to a PCF8574 I2C adapter connected over I2C.

Using the component

Run the following command in your ESP-IDF project to install this component

idf.py add-dependency "iamflinks/i2c_lcd_pcf8574"

To run the provided examples, create it as follows:

idf.py create-project-from-example- "iamflinks/i2c_lcd_pcf8574:i2c_lcd_pcf8574_example"

OR

idf.py create-project-from-example- "iamflinks/i2c_lcd_pcf8574:i2c_lcd_pcf8574_lcd_function"

Then build the project as usual:

cd i2c_lcd_pcf8574_example
idf.py build

OR

cd 2c_lcd_pcf8574_lcd_function
idf.py build

And flash the project to the board:

idf.py -p PORT flash monitor

The example uses GPIOs 21 and 22 for the SDA and SCL, respectively.

This component is provided under Apache 2.0 license, see LICENSE file for details.

Please check the API file for detailed API documentation.