# Loading real-time data reactively in pluto

**URL:** <https://discourse.julialang.org/t/loading-real-time-data-reactively-in-pluto/133199>\
**Category:** Pluto\
**Created:** [October 16, 2025, 8:20am UTC](https://discourse.julialang.org/t/loading-real-time-data-reactively-in-pluto/133199 "2025-10-16T08:20:15Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ruben](https://avatars.discourse-cdn.com/v4/letter/r/59ef9b/32.png) [@ruben](https://discourse.julialang.org/u/ruben)\
**Post date:** [October 16, 2025, 8:20am UTC](https://discourse.julialang.org/t/loading-real-time-data-reactively-in-pluto/133199/1 "2025-10-16T08:20:15Z")

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Hello, for a uni project, I have to retrieve real-time data from an Arduino board through the Serial port (sensor reading). I’ve successfully read the data using LibSerialPort, but I’d like to update a Pluto notebook in real-time, similar to how `PlutoUI.WebcamInput` works. Is it possible to create a custom input widget that listens to the serial port and triggers cell updates?  
Thanks