```eval_rst .. include:: /header.rst :github_url: |github_link_base|/widgets/led.md ``` # LED (lv_led) ## Overview The LEDs are rectangle-like (or circle) object. It's brightness can be adjusted. With lower brightness the the colors of the LED become darker. ## Parts and Styles The LEDs have only one main part, called `LV_LED_PART_MAIN` and it uses all the typical background style properties. ## Usage ### Brightness You can set their brightness with `lv_led_set_bright(led, bright)`. The brightness should be between 0 (darkest) and 255 (lightest). ### Toggle Use `lv_led_on(led)` and `lv_led_off(led)` to set the brightness to a predefined ON or OFF value. The `lv_led_toggle(led)` toggles between the ON and OFF state. ## Events Only the [Generic events](../overview/event.html#generic-events) are sent by the object type. Learn more about [Events](/overview/event). ## Keys No *Keys* are processed by the object type. Learn more about [Keys](/overview/indev). ## Example ```eval_rst .. include:: /lv_examples/src/lv_ex_widgets/lv_ex_led/index.rst ``` ## API ```eval_rst .. doxygenfile:: lv_led.h :project: lvgl ```