OCTOBER 2017: ZDL has released a significant software fix for the Macchiato Mini Synth, version 1.1.1. While the release includes a few refinements to stability and MIDI compatibility, the real news is SIGNIFICANTLY IMPROVED SOUND!
The previous version, v1.1.0, shipped from July 2017 through September 2017. That version had a few bugs that afflicted the Macchiato with a weird swirling digital distortion audible under some circumstances. You might think it sounds really cool, but if you prefer a cleaner sound, and improved signal-to-noise, please upgrade to v1.1.1 today!
You will only need a programmer, like a USBtiny from Sparkfun, Adafruit or ZDL; and the latest hex file
from our Github repository.