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

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

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

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

Block Diagram 5 5 5

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

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

PCB Design in Eagle 8 8 8

% 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

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

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

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

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

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

Questions? ??? 15 15 15