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Final Project Review

Join us to discover our fully automated smart greenhouse system that enables easy access to local produce, reduces carbon footprint, and addresses food deserts. Control unit improvements include logging and optimized sensor performance.

kathleenmoore
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Final Project Review

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  1. Final Project Review Team 3 Gro-Bro April 13, 2017 Advisor: Professor Jackson Michael D’Anna, Samantha de Groot, Maxwell Joyce and Shaun Palmer

  2. Team Members Michael D’Anna Samantha de Groot Maxwell Joyce Shaun Palmer

  3. The Problem • Widespread access to local produce • Food deserts • Reduce carbon footprint of shipping • For people without the time, space and knowledge to garden

  4. Our Solution: Fully Automated Smart Greenhouse • Array of sensors inside greenhouse • Continuous measurements • Displays information on app • Sensor data used for the water pump and nutrient dispersal control

  5. Block Diagram

  6. Specifications • Automated ✓ • Lighting control ✓ • Hydroponic watering ✓ • Nutrient dispersal/pH regulation ✓ • Closed loop system to recycle water ✓ • Must fit inside of a studio apartment ~(2’x4’) ✓ • Yield 6 fruiting plants ✓ • Reusable ✓ • App with simple UI – easy for people to use and learn ✓

  7. FPR Deliverables • Yield 5-8 fruiting plants ✓ • Make the structure more aesthetically pleasing – add logo and finishing touches ✓ • Finalize android app GUI ✓

  8. Android App Improvements

  9. Control Unit Improvements • Added log files to keep track of every action performed • Now remembers exact state- hours since last watering, lights • Sensors • Repaired oxidized hygrometers • Added BJT circuit to turn on only when taking measurement

  10. Greenhouse Performance vs. Control Plants

  11. Greenhouse Performance vs. Control Plants

  12. Cost Analysis • Cost to make greenhouse: ~$925 • Operation of greenhouse: 4.2 kWh per day • At $0.12/kWh electricity cost and 60 days to grow tomatoes, costs $30.24 to grow 6 tomato plants, which each yield ~12-15lb of tomatoes = ~80 lb total • Nutrients cost ~$15 per 60 days = ~$45 total for 80 lb of tomatoes … ~$0.56/lb • Store-bought tomatoes average ~$2.00/lb

  13. Cost Analysis… Break even after 642 lb of tomatoes = 8 (60 day) seed to harvest growth cycles If spacing cycles 1 month apart, takes 2 years to break even

  14. Questions? • ???

  15. Project Demonstration • Time lapse video • Show plants • App demo

  16. Time Lapse Video

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