Green Thumb³ is an automated plant tending system designed to aid in maintaining a plant's environment at optimal conditions to ensure healthy growth. The system monitors soil and air conditions and adjusts its output to compensate. Capable of adjusting hydration, pH, and fertilization, the Green Thumb³ will keep it's plants at their happiest for weeks at a time with no human input. Subject: Farming, gardening, automation, embedded engineering, microcontrollers, Linux, C, Python