While working on a mini-project for the home I came across two excellent resources for building a quick UI, so I wanted to give them a quick shout out.

Want to get started with WebSockets? The “Echo Test” code provided at the bottom of this page on websocket.org is a great overview of how to implement a WebSocket client in vanilla JS. I highly recommended for setting up a local development sandbox.

http://www.websocket.org/echo.html

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The Google Charts project provides a solid foundation on which to build basic data visualizations. The API and documentation are wonderful - I was able to go from idea to fully realized UI element in about 10 minutes. Highly recommended.

https://developers.google.com/chart/