Cybernetic open source vertical soda bottle farm.
A vertical farm in soda bottles — like described in this Wikihow: Build a Vertical Garden from Soda Bottles — combined with a micro controller (Arduino) controlled automatic watering system, tailored towards the specific requirements.
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How It Started
In summer 2016 after first time on Pinterest, I found an article pinned by Prof. Dr. Willem Van Cotthem Bottle tower gardening: how to start.