This is the robotic lawn mower firmware named Raindancer for the Ardumower PCB1.3 with Arduino DUE
http://wiki.ardumower.de/index.php?title=Raindancer_Firmware_(English)
http://wiki.ardumower.de/index.php?title=Raindancer_Firmware_(Deutsch)
License
Raindancer Copyright (c) 2017 by Kai Würtz
The code/schematics/PCB files are open: you can modify it 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.
The code/schematics/PCB files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.