There’s an updated product page for the Arduino Zero, now called the Arduino Zero Pro, up on Arduino.org, one of the two dueling “Arduinos”. We first covered the Arduino Zero in May 2014 ...
An Arduino Due forms the heart of the project, controlling a TEA5767 module, an SH1106 128×64 pixel OLED display and a rotary encoder. The sound signal is passed through an LM4811 headphone ...