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PidroponicsHydroponics + Raspberry Pi
Automated Small-Scale Hydroponics for Enhanced Year-Long Production
JOHNNY O’NEAL
IN COLLABORATION WITH SETH WALTERS
CONTROL PANELPIDROPONICS.US LIVE STREAM
Appalachian State University
Office of Student Research
Johnny O’Neal & Seth Walters | Pidroponics © 2015
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The Problem: An Unsustainable Food System
Reliance on Fossil Fuels; ASU local food is 250 mile range
Reliance on Toxic Chemicals
Degradation of Landscape, Loss of Topsoil, Chemical Runoff, Monoculture practices, Labor Conditions
23.5 mil Americans live in Food Desert
20% US Households with Children face Food Insecurity
Produce more than enough food but doesn’t feed everyone
Agriculture is largest contributor to climate change, biodiversity loss
ASK YOURSELF: BUSINESS AS USUAL???
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Solution: Automated Hydroponics for Year-Long Production
90% less water use; it cycles continuously
Organic seeds and nutrients – No dangerous chemicals
Faster growth AND up to 5x more plants per meter
Reduced pest and disease occurrence
365 Days Per Year – Optimal Conditions
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Solution: Automated Hydroponics for Year-Long ProductionBusiness Opportunity
Local Healthy Food
Average US home living space per person doubled between 1973-2013
Aesthetically Beautiful
Educational and Fun!
Total Environmental Control - Automated
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Results: Pidroponics – Raspberry Pi Computer + Hydroponics
87 Days Developing “Pidroponics”
Homemade
Organic Nutrient Solution
CommercialOrganicNutrient Solution
Fluorescent T5 Lights
LED Plant Lights
45 gph H20 Pump
185 gph H20 Pump
Mushroom Wall
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Do It Right!
System Maintenance: Design, Clean, Continuously Enhance
Water Management: equipment, know-how
Plant Management: green-thumb
Nutrients: pH, smell, cost
Lights: LED vs Florescent◦ Heat loss, watts used, lifespan,
spectrum provided, cost
Mushroom Wall – Sterilize medium
Traveling – Not a problem anymore!
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Steps From Here: Pidroponics 2.0 Plants grown: More plants total Fruiting at Top, Microgreens in Middle, Mushrooms on Bottom
Reservoir: Sump Tank, Smaller Trays, Easier to Clean, Movable
Irrigation: 2 pumps can feed far more than 20 plants
3-D print parts
Lighting: more LED’s = more plants; best option◦ Potential for passive or active solar
Transplant Outdoors, Propagate Cuttings, Collect Seeds
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References "Office of Student Research." OSR Research Grants. Appalachian State University, 1 Jan.2015. Web.
11 Apr. 2015. <http://osr.appstate.edu/apply/osr-research-grants>.
"USDA ERS - Irrigation & Water Use." USDA ERS - Irrigation & Water Use. USDA, 7 June 2013. Web. 14 Apr. 2015.
<http://www.ers.usda.gov/topics/farm-practices-management/irrigation-water-use.aspx>.
"USDA ERS - Food Security in the U.S.: Key Statistics & Graphics." USDA ERS - Food Security in the
U.S.: Key Statistics & Graphics. USDA, 12 Jan. 2015. Web. 14 Apr. 2015. <http://www.ers.usda.gov/topics/food-nutrition-assistance/food-security-in-the-us/
key-statistics-graphics.aspx>.
Carson, Rachel, and Lois Darling. Silent Spring. Boston: Houghton Mifflin 1962. Print. Merrill, Brandon. "Environmental Writing, University of Arizona, Hydroponics System Grows
Crops with Less Water, No Soil by Brandon Merrill." Environmental Writing, University of Arizona,
Hydroponics System Grows Crops with Less Water, No Soil by Brandon Merrill. University
of Arizona, 1 Jan. 2011. Web. 14 Apr. 2015. <http://swes.cals.arizona.edu/environmental_writing/stories/2011/merrill.html>.
"Food & Agriculture." Union of Concerned Scientists. Web. 14 Apr. 2015. <http://www.ucsusa.org/food_and_agriculture#.VS0CGboV7KM>.
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References Continued "Agricultural Marketing Service - Creating Access to Healthy, Affordable Food." Agricultural
Marketing Service - Creating Access to Healthy, Affordable Food. USDA, 1 Jan. 2015. Web.
14 Apr. 2015. <http://apps.ams.usda.gov/fooddeserts/fooddeserts.aspx>.
"Ph/ TDS/PPM Levels for Vegetables." Ph/ TDS/PPM Levels for Vegetables. Web. 16 Apr. 2015. <http://www.homehydrosystems.com/ph_tds_ppm/ph_vegetables_page.html>.
Matus, Morgana. "Scientists Discover Freshwater Reserves Under Ocean Floor 100 Times Greater
Than All Water Used in the 20th Century.” Inhabitat Sustainable Design Innovation Eco
Architecture Green Building Scientists Discover Freshwater Reserves Under Ocean Floor
100 Times Greater Than All Water Used in the 20th Century Comments. 10 Dec. 2013.
Web. 16 Apr. 2015. <http://inhabitat.com/scientists-discover-freshwater-reserves-under-ocean-100-
times- greater-than-what-humanity-has-used-since-1900/>.
Storey, Amy. "Food Safety and Hydroponics Conventional vs. Organic.” Bright Agrotech. 30 June
2014. Web. 17 Apr. 2015. <http://brightagrotech.com/food-safety-and-hydroponics-conventional-vs-organic-fertilizers/>.
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CONTROL PANELPIDROPONICS.US LIVE STREAM