# How do you control the LED on VOXL and VOXL-Flight?

Source: https://forum.modalai.com/topic/9/how-do-you-control-the-led-on-voxl-and-voxl-flight
Category: VOXL SDK and Software (https://forum.modalai.com/category/47/voxl-sdk-and-software)
Tags: voxl, voxl-flight, led
Posted: 2020-09-15 15:09:36 UTC by modaltb (ModalAI staff)
Replies: 0 · Views: 1201

## modaltb (ModalAI staff) · 2020-09-15 15:09:36 UTC

VOXL has a RGB LED, shown here, and can be set via code running on the apps processor:
  [VOXL Datasheet - LED](https://docs.modalai.com/voxl-datasheet-connectors/#voxl-board-top)

VOXL-Flight has a few RGB LEDs, 2 of them are controlled via PX4 (STM32), but the other one can be controlled via the apps_processor as well (labeled LED3 here):
[VOXL-Flight Datasheet - LED3](https://docs.modalai.com/voxl-flight-datasheet-connectors/#voxl-flight-board-top)

To control this LED, you can follow instructions here:
   https://docs.modalai.com/voxl-onboard-led-control/