Started this project just for a bit of fun, and to spice up my somewhat lackluster desk area. Don't expect the server code to be particularly efficent or secure - I only intend to use it on my LAN and I wrote it to 'just work.' In this repo you'll find the circuit diagram (hopefully correct), server code, and some example scripts (as you'd expect, inside the /scripts/ folder.)
Before running, use pip to install the following packages:
pip3 install Flask gevent rpi_ws281x adafruit-circuitpython-neopixel
As well as downloading jscolor and adding it to /static/js/
To run the server, just navigate to the root directory and run sudo python3 DynamicLEDServer.py (or just run startup.sh) and go to the device's local IP from a web browser. (e.g. 10.0.1.63 or '192.168.2.56')
I may make a "tutorial" video at some point if I feel like it, and would explain the repo more thoroughly there.
While you can directly plug the power supply and PI output into the LED strip, this just ensures safety.
(I don't officially endorse any of these products, they're just what I'm using.)
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Raspberry PI
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Logic Level Converter Amazon Link
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WS2812B Light Strip Amazon Link
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5v 15+ amp Power Supply Amazon Link