rusEFI offers complete software download bundles for multiple supported microcontrollers and boards.
IMPORTANT NOTE: TunerStudio v3.1.04 or later is REQUIRED! Please double check the version before updating your firmware, or your settings could be lost when updating!
Hellen Family Boards
Q: I see something interesting was just changed in the firmware? How do I use latest version?
A: Most snapshot builds take about 30 minutes to get updated on at Snapshot builds