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Gabor Kiss-Vamosi
2021-12-16 20:49:41 +01:00
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# Keypad and Encoder demo
## Overview
LVGL allows you to control the widgets with keypad and/or encoder without touchpad.
This demo shows how to handle buttons, drop-down lists, rollers, sliders, switches and text inputs without touchpad.
Learn more about the touchpad-less usage of LVGL [here](https://docs.lvgl.io/master/porting/indev.html#keypad-or-keyboard).
![Keypad and encoder navigation in LVGL embedded GUI library](screenshot1.gif)
## Run the demo
- In `lv_ex_conf.h` set `LV_USE_DEMO_KEYPAD_AND_ENCODER 1`
- After `lv_init()` and initializing the drivers call `lv_demo_keypad_encoder()`