Arduino Tones - A New, New Hope!

(Repost from my YT channel) I wanted something to try out my new Nano Multi-Tone PCB, so revisited my "Arduino Tones - A New Hope". The previous setup used one Arduino per speaker. This new one uses my new PCB and three speakers per Arduino. Full details here: https://diyelectromusic.wordpress.com/2022/11/20/arduino-tones-a-new-new-hope/ Kevin