Danish industrial design student Mikkel Mikkelsen decided to do something a little different this past spring, and constructed a self-sufficient geodesic greenhouse dome. His dome, which was planned using this online calculator, now stands roughly 13 feet tall, providing space for crops, along with an annex for chickens.
While this seems like a very “back to nature” project, he didn’t forget to include modern conveniences via an automation system that uses both an Arduino Nano and a Mega. The chickens can come and go through an automatic door, while ventilation windows on the top of the dome can be opened as needed. Even plant watering is controlled automatically.
The dome is also equipped with a GSM module that allows Mikkelsen to check on things using his phone via SMS, as well as a potentiometer for manually varying the watering levels and a speaker that is triggered upon entering the greenhouse.
Be sure to check out Mikkelsen’s elaborate Instructables write-up for more info on the build.