Pi-powered Guitar Tuner and Audio Spectrum Analyser Using the Pimoroni Galactic Unicorn
It’s #MusicMonday at Adafruit. This neat projec tkevinjwalters shared on Instructables, shows how to make a guitar tuner and audio spectrum analyser using the Pimoroni Galactic Unicorn and a Pi Pico W.
The program used on the Unicorn is an evolution of Phil Howard’s Blunicorn code which has additions by Mike Bell and contains V. Hunter Adams’s fixed-point FFT code and parts of the BlueKitchen Bluetooth A2DPaudio example code. The autocorrelation code for efficientpitch detection for the instrument tuner is based on Joel de Guzman’s code which was aided by Gerry Beauregard’s prior work.
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