Twiddler

The Twiddler3 firmware up to version 11 uses the Config Format Version 4, the same binary file format as the Twiddler2.1. Some parts of the specification have been deprecated in the Twiddler3, e.g. “mouse mode”.
Twiddler.cfg V4 File Format Specification

Twiddler3 firmware 12+ uses Config Format Version 5.
Twiddler.cfg V5 File Format Specification

Twiddler4 firmware 2.00-2.14 uses Config Format Version 6.
Twiddler.cfg V6 File Format Specification - for T4 Roll out only. No plan to publish.

Twiddler4 firmware 2.15+ uses Config Format Version 7.
Twiddler.cfg V7 File Format Specification - coming once the format stabilizes.

Currently there is no technical support available for the information found in these specification files. There is also no guarantee that this file format will be used in future versions of the Twiddler firmware. Use at your own risk.