JF Audio Spectrum Visualizer + Ghetto Box

Some hardware: - SSD1306 (i2c version) - Spectrum Visualizer from Tindie https://www.tindie.com/products/Nick64/jf-audio-spectrum-visualizer-board-basic-kit/ - Ghetto box from previous project https://www.youtube.com/edit?o=U&video_id=UQzi_qFmI6I