21 lines
1.2 KiB
Markdown
21 lines
1.2 KiB
Markdown
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SmartMatrix Basic Spectrum Analyzer
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Basic spectrum analyzer on a 32x32 RGB LED matrix using SmartMatrix, FastLED, and the Teensy Audio Library.
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[](http://www.youtube.com/watch?v=w4uL2426eaQ)
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Based on SpectrumAnalyzerBasic by Paul Stoffregen: https://github.com/PaulStoffregen/Audio/blob/master/examples/Analysis/SpectrumAnalyzerBasic/SpectrumAnalyzerBasic.ino
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Requires a SmartMatrix shield: http://docs.pixelmatix.com/SmartMatrix
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Requires the following libraries:
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* Teensy Audio Library: https://github.com/PaulStoffregen/Audio
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* SerialFlash Library (a dependency of the Teensy Audio Library): https://github.com/PaulStoffregen/SerialFlash
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* Smartmatrix Library for Teensy 3: https://github.com/pixelmatix/smartmatrix/releases
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* FastLED v3.1 or higher: https://github.com/FastLED/FastLED/releases
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Uses line in on pin A2. For more information, and a recommended analog input circuit, see: http://www.pjrc.com/teensy/gui/?info=AudioInputAnalog
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[](http://www.pjrc.com/teensy/gui/?info=AudioInputAnalog)
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