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Make: Bicycle Projects by John Baichtal

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Chapter 12. Party Trailer

This is the final chapter in the book! The party trailer project featured in this chapter represents the culmination of a couple different projects that were featured earlier in the book. The trailer, which you just completed, forms the backbone of this project. The “party” comes in with an LED-strand light organ that changes its color and pattern based on the environment around it. We’ll use the same NeoPixel light strip that we used in Chapter 9.

Projet #13: Light Organ

The party trailer’s light organ consists of an Arduino with a mic hooked up to it, which translates audio levels into lights. It responds to the music by increasing the number of LEDs lit up as well as their color. The Arduino simply uses math to ...

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