1# Keypad and Encoder demo 2 3## Overview 4 5LVGL allows you to control the widgets with keypad and/or encoder without touchpad. 6This demo shows how to handle buttons, drop-down lists, rollers, sliders, switches and text inputs without touchpad. 7Learn more about the touchpad-less usage of LVGL [here](https://docs.lvgl.io/master/porting/indev.html#keypad-or-keyboard). 8 9![Keypad and encoder navigation in LVGL embedded GUI library](screenshot1.gif) 10 11## Run the demo 12- In `lv_conf.h` or equivalent places set `LV_USE_DEMO_KEYPAD_AND_ENCODER 1` 13- After `lv_init()` and initializing the drivers call `lv_demo_keypad_encoder()` 14