A Tiny ESP32 Spectrum Analyzer... and much more!
Dave's Garage
Published at : 11 Dec 2021
Published at : 11 Dec 2021
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This single ESP32 chip, along with a microphone, combine to make a powerful demo using the NightDriver open-source package on GitHub.
Check out NightDriverLED.com for the full source code. (Note that TTGO support is just being checked in, but the SPECTRUM project you see here runs turnkey on the M5StickCPlus).
I know it's not an EQ but "Spectrum Analyzer-based Audio Visualizer" wouldn't fit, and people often call them that by mistake, so...
M5 Module: https://amzn.to/33lVZjR
16x16 Matrix (3 Required): https://amzn.to/3pMosXx
Check out NightDriverLED.com for the full source code. (Note that TTGO support is just being checked in, but the SPECTRUM project you see here runs turnkey on the M5StickCPlus).
I know it's not an EQ but "Spectrum Analyzer-based Audio Visualizer" wouldn't fit, and people often call them that by mistake, so...
M5 Module: https://amzn.to/33lVZjR
16x16 Matrix (3 Required): https://amzn.to/3pMosXx
audio visualizeresp32 tutorial projectesp32
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