license.txt

You can use, redistribute and/or modify all files in the "firmware" subfolder of this repository under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
You should have received a copy of the GNU General Public License along with the files in this repository. If not, see <http://www.gnu.org/licenses/>.

All other files are licenced under a CC-BY-SA 4.0 license. See "http://creativecommons.org/licenses/by-sa/4.0/" for details.