Farmbot is the first open source cnc farming machine with the aim to create an open and accessible technology aiding everyone to grow food and to grow food for everyone. It runs on open source hardware like Arduino Mega 2560 and  involves a community of contributors on the wiki and forum where you can find documentation, schematics, assembly guides, troubleshooting tips and many more on all currently supported and old FarmBots.

Documentation has been a key element of the project since the beginning and Farmbot founder, Rory Aronson at the 2015 Hackaday SuperConference, gave a talk about why great documentation is the key to building a community of hackers who continue to build upon open source technologies: