Wednesday, June 08, 2022

LCD Display as Audio Spectrum Visualiser for Teensy 3.2

Turns a standard I2C LCD display into an audio spectrum visualiser! Audio signal is connected via the ADC input or via a USB connection to the Teensy. The Teensy displays the audio following FFT analysis using two 16-band displays made of custom LCD characters. 

Code is here: https://github.com/little-scale/arduino-sketches/blob/master/LCD_FFT.ino 








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