# Led 56 khz IR emission

**URL:** <https://forum.makecode.com/t/led-56-khz-ir-emission/16879>\
**Category:** micro:bit\
**Created:** [December 13, 2022, 5:19pm UTC](https://forum.makecode.com/t/led-56-khz-ir-emission/16879 "2022-12-13T17:19:40Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Christophe](https://avatars.discourse-cdn.com/v4/letter/c/848f3c/32.png) [@Christophe](https://forum.makecode.com/u/Christophe)\
**Post date:** [December 13, 2022, 5:19pm UTC](https://forum.makecode.com/t/led-56-khz-ir-emission/16879/1 "2022-12-13T17:19:40Z")

</div>

Hello,

I tested the infrared transmission and the reception with micro:bit. I managed to make it work, but only with 38 khz led.

I would like to do it with 56 khz led, how to do it?

Thank you for your help,

Christophe