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Claude improvements

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Andras Schmelczer 2026-05-11 07:48:33 +01:00
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---
title: Lights Synchronized to Music
description: A Raspberry Pi music player that analyzed audio output and drove RGB LED strips.
date: 2026-04-26
projectPeriod: 'Spring 2016'
thumbnail:
src: ./_assets/leds.jpg
alt: RGB LED strips lit by a music synchronization project.
tags: ['systems', 'tools']
selected: false
project: leds
role: Hardware and software author
stack: ['Python', 'NumPy', 'FFT', 'Raspberry Pi', 'Vanilla web']
outcome: My first finished non-trivial project, combining a web UI, audio processing, and hardware output
audience: technical
links: []
---
This was a full-stack application with a built-in music player, the output of which controlled the colour of a couple of RGB LED strips through a Raspberry Pi and some MOSFETs.
It was my first non-trivial project that got finished. Obviously, it was rather far from perfect, but I am still proud that I was able to build it on my own.
The backend logic was written in Python, and the FFT implementation was provided by NumPy. I also built a simple frontend for accessing the music player and changing the settings using vanilla web development technologies.