LED matrix for synth/guitar tuning @256byteram

LED matrix for synth/guitar tuning @256byteram

Uploaded April 2022 | Updated September 2026, 1 week ago

Apologies in advance for the annoying sound!

I found an LED matrix board in a box of things and improved on my previous attempt at a visual tuning indicator. The matrix allows for more than just the fundamental frequency to be tuned accurately.

LED matrix for synth/guitar tuning

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LED matrix for synth/guitar tuning