Visualize music using Node.js, microcontroller, LEDs, Web Audio API & WebSockets
I gave a talk named "NERD DISCO" at JSConf EU 2014 and you can find it on YouTube.
<iframe width="560" height="315" src="//www.youtube.com/embed/tia6iP85Zuk" frameborder="0" allowfullscreen></iframe>
Description
A local network of single-board computer (Tessel) running Node.js & providing an API to control different kind of devices: LED tower & LED wall. This network is dominated by one main computer to control the Tessel & a web app to analyze sound using the Web Audio API. The data is transfered between the browser and the main computer using WebSockets. The LEDs are called NeoPixel from Adafruit.
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Further reading
Written by Tim Pietrusky
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