Firmware for the G3 Panels. Find more information on the Modular LED Display website under the Generation 3 menu.
The whole system of 3rd generation modular displays was described in:
Reiser, Michael B.; Dickinson, Michael H. (2008): "A modular display system for insect behavioral neuroscience". In: Journal of Neuroscience Methods. 167 (2), pp. 127–139, DOI: 10.1016/j.jneumeth.2007.07.019.
Before June 2020, this repository was hosted on https://bitbucket.org/mreiser.