January 10, 2015 AT 9:40 am

HydroTrinket #hydroponics

Adafruit 4087

petmar0’s HydroTrinket via Twitter.

A simple, Adafruit Trinket based hydroponics controller. This controller is for a flood and drain style hydropnics system, and uses two relays to control a pump and valve. The addition of another relay would allow for the controlling of lighting, but would require significant code revisions.

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