1. Smart Hydroponic Greenhouse March 9, 2017
Comprehensive Design Review
Team 3
Smart Hydroponic Greenhouse
March 9, 2017
Advisor: Professor Jackson
Michael D’Anna, Samantha de Groot, Maxwell Joyce and Shaun Palmer 1 1 1

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

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 3 3 3

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 4 4 4

5. Block Diagram 5 5 5

6. CDR Deliverables – Progress
Design and order custom voltage regulator PCB ✓
Finish pH control system ✓
Interface the remaining sensors ✓
Complete functionality of android application ✓
Code entire plant cycle state machine from start to finish ✓
Have plants in the process of growing ✓
Cover the structure with stained wood, and paint interior ✓
Added GoPro camera to capture time lapse ✓
*Red italics indicate additional completed tasks 6 6 6

7. Voltage Regulator Schematic in LTSpice
Lighting – Progress (Mike)
Designed and ordered custom voltage regulator PCB and components with Shaun
Voltage Regulator Schematic in LTSpice 7 7 7

8. PCB Design in Eagle 8 8 8

9. % Error from target based on 10 trial average
Hydroponics – Progress (Shaun)
% Error from target based on 10 trial average
Nutrients
3.76%
pH Up
3.85%
pH Down
3.41% 9 9 9

10. Sensors – Progress (Sam)
Hygrometer, ADC
pH Sensor
Water Level Float Switch
Temperature and Humidity Sensor 10 10 10

11. App – Progress (Max)
Add screenshots of app main page, graphs of each sensor reading
Still getting more days of data right now to show for CDR 11 11 11

12. Control Unit – Progress (Team)
Implemented plant cycle state machine in code
May need to dynamically adjust as we go 12 12 12

13. FPR Deliverables Yield 5-8 fruiting plants
Make the structure more aesthetically pleasing – add logo and finishing touches
Finalize android app GUI 13 13 13

14. Project Demonstration Overview
Show plants
App demo, show graphs 14 14 14

15. Questions?
??? 15 15 15