Wednesday, December 28, 2016

Automated lettuce seeder

We have been harvesting lettuce regularly since August, and at peak we were able to almost 20 kg of leaves from our 5 rooftop systems.  We have also started expanding behind the office on the ground floor as we ran out of roof space.
All this expanding means more plants.  More plants means more seeding, which involves putting one or two seed at the center of a 20x20mm foam cube.  That took 2 to 3 hours a week. So to ultimately reduce time I researched and built an automated lettuce seeder which I have open sourced on hackaday.
It takes about 3 minutes to seed a tray of 150 lettuce.  To see it in action watch this video:

Visit the hackaday site to find out how it's made: https://hackaday.io/project/18961-arduino-based-automated-hydroponic-lettuce-seeder

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