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Arduino BLINK Blueprints by Utsav Shah, Samarth Shah

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Summary

In this chapter, we started with the basics of sound visualization. After understanding the FFT algorithm, we move on to visualize the sound with Arduino using the same on an 8 x 8 dot matrix LED display. At the end of this chapter, we developed an LED Christmas tree, which syncs its light as per the beats in the music. In the next chapter, we will move on to develop "persistence of vision".

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