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What do you imagine the future of farming to look like? The FarmBot team, located along the California coast in San Luis Obispo, is exploring just that. The team has set out to create humanity’s first open-source CNC farming machine to put the power of polycrop farming into the smallest of spaces.

The FarmBot structure fixes directly on top of any standard raised planter box. You can think of it like a 3D printer, but instead of extruding plastic, the tool head deposits seeds, delivers water and rids the box of weeds, all by moving across a gantry. Powered by a Raspberry Pi 3, an Arduino Mega and a motor control shield, the FarmBot brings agricultural automation within the reach of the committed hobbyist.

https://www.raspberrypi.org/blog/farmbot-open-source-cnc-farming-robot/