Effects pedals: for some an object of overwhelming addiction, but for many, an opportunity to hack. Anyone who plays guitar (or buys presents for someone who does) knows of the infinite choice of p… ...

Basically any "Arduino compatible" that runs an 8-bit AVR with an 8-16MHz clock will work. Additionally, the Arduino Due and Teensy boards are compatible with the Neopixel lin.

The build is designed for vocal effects, based on the idea of granular synthesis. This is where audio samples are chopped up into small chunks, called “grains”, and manipulated in various ways ...