Tubular Glow: Control a Meter Long RGB LED Bar Graph by Javascript

Tubular Glow: Control a Meter Long RGB LED Bar Graph by Javascript

Adafruit's Digital Addressable LED Strips are quite versatile - they're flexible, capable of displaying 2 million colors per pixel, and their LEDs can be controlled individually - allowing for countless project possibilities. 

In this tutorial, we've inserted the strips into a clear plastic tube to create a thin column of LED lights, and then connect them to JavaScript GUI sliders through Spacebrew.

The LED tube could be used as one "bar" of a digitally controlled bar graph installation, as part of a sculptural feature, or - my favorite - a makeshift light saber. Follow the steps below to make your own!

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Connecting a SparkFun Kit to Spacebrew

Connecting a SparkFun Kit to Spacebrew

Prototyping interactive environments can be tricky and time-consuming. One of our favorite time-saving tricks is to turn existing interactive projects into components we can use - akin to standing on the shoulders of giants. 

This tutorial walks you through how to connect a SparkFun Bar Graph Breakout Kit to Spacebrew. Once the kit is built and connected to Spacebrew, you can have any number of interactive projects publish data to it.

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Connect an Arduino Project to Spacebrew via Processing

Connect an Arduino Project to Spacebrew via Processing

In this tutorial we will walk you through how to take an existing Arduino project and make it talk with Spacebrew. We will use an Arduino to connect a photocell sensor to an existing javascript graph example.

This tutorial builds on an example that comes with Arduino software. To access the example within the program, go to File -> Examples -> 04.Communication -> Graph, or view it online here: http://www.arduino.cc/en/Tutorial/Graph.

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