Arduino based Spectrum Analyzer with an .96" OLED display (SSD1306). Button used to switch between different bar sizes 12, 8, and 6. Utilized U8glib.h for the display.

This project is a Fixed Fast Fourier Transform (FFT) Spectrum Analyzer built using an Arduino Nano, a 0.96" OLED display, and a MAX9814 microphone module. The analyzer visualizes audio frequencies ...

[El Artis] just finished building an audio spectrum analyzer that uses a character LCD. The uses an Arduino to drive the display, but unlike other meters that use the microcontroller for analysis, … ...