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Example of the component esp-idf-lib/hd44780 v1.2.6

## What the example does

* Initializes the driver
* Uploads custom characters
* Displays "Hello world!"
* Displays the custom characters
* Displays the current sec in a loop

## Wiring

Please see the source code for pins and connections.

To create a project from this example, run:

idf.py create-project-from-example "esp-idf-lib/hd44780=1.2.6:default"

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