# Reuse old smartphones to monitor 3D prints with WebRTC WebSockets and serverless

> Discover how to reuse old smartphones for 3D print monitoring using WebRTC, WebSockets, and serverless, saving you countless trips.

Author: [Guillaume Laforge](https://glaforge.dev/) | Published: 2022-10-13 | Topics: 3d-printing, webrtc, websockets, serverless, micronaut | Canonical: https://glaforge.dev/talks/2022/10/13/reuse-old-smartphones-to-monitor-3d-prints-with-webrtc-websockets-and-serverless/


Reuse old smartphones to monitor 3D prints, with WebRTC, WebSockets and Serverless
Monitoring my 3D prints in my basement means climbing lots of stairs back and forth! So here’s my story about how I reused an old smartphone to check the status of my prints. I built a small web app that uses WebRTC to exchange video streams between my broadcasting smartphone and viewers, with WebSockets for signaling, and a serverless platform for easily deploying and hosting my containerized app.

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