WARNING: Do not use the master version (via download button), that is 'code we work on' and it may be unstable - use one release version instead (click on 'releases' link below)!
https://github.com/Ardumower/Sunray/releases
An alternative Firmware (experimental) for Ardumower kit mowing and gear motors, PCB 1.3, Adafruit Grand Central M4 (or Arduino Due) and ArduSimple RTK kit
The robot mower uses RTK to localize itself (without a perimeter wire)
All software and hardware, software and motor components are designed and optimized as a whole, if you try to replace or exclude some component not as designed, you risk to damage your hardware with the software
http://wiki.ardumower.de/index.php?title=Ardumower_Sunray
https://www.youtube.com/watch?v=yDcmS5zdj90
Ardumower Sunray Copyright (c) 2013-2020 by Alexander Grau, Grau GmbH
Licensed GPLv3 for open source use or Grau GmbH Commercial License for commercial use (http://grauonline.de/cms2/?page_id=153)