The following license (GPLv3) applies to the entire contents of this directory (the "Contents") except where other third-party licenses must apply. The Contents include firmware and hardware for use with the Stretch mobile manipulators, which are robots produced and sold by Hello Robot Inc.
We thank people who have contributed to this work via open-source code and open hardware. We especially thank the Mechaduino project and Tropical Labs. The motor controller firmware and hardware are derived from the excellent firmware and hardware created for the Mechaduino project by Tropical Labs.
The Mechaduino firmware and hardware were originally released using the Creative Commons Attribution Share-Alike 4.0 License (CC BY-SA 4.0). With approval from Tropical Labs, we have licensed our derived firmware and hardware using the GNU General Public License v3.0 (GNU GPLv3) as described below. As stated by Creative Commons, this is permitted due to the GPLv3 being a one-way BY-SA compatible license, such that "you may license your contributions to adaptations of BY-SA 4.0 materials under GPLv3.".
Copyright 2020-2024 Hello Robot Inc.
The Contents include free software and other kinds of works: you can redistribute them and/or modify them under the terms of the GNU General Public License v3.0 (GNU GPLv3) as published by the Free Software Foundation.
The Contents are distributed in the hope that they 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 v3.0 (GNU GPLv3) for more details, which can be found via the following link:
https://www.gnu.org/licenses/gpl-3.0.html
For further information about the Contents including inquiries about dual licensing, please contact Hello Robot Inc.