automatic pet feeder
DESCRIPTION
Automatic Pet Feeder. Robert Fleming Vishak Ganesh Vu Tang Viet Nguyen Kevin Clark . Modified automatic pet feeder Wireless beacon on a pet collar. http://www.terrificpets.com/pet_supplies/dog/bowls-feeders/auto-feeders/14429.asp http://www.dobiedetectives.com/dogtraproducts.html. - PowerPoint PPT PresentationTRANSCRIPT
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Automatic Pet Feeder
Robert FlemingVishak Ganesh
Vu TangViet NguyenKevin Clark
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Modified automatic pet feeder
Wireless beacon on a pet collar
http://www.terrificpets.com/pet_supplies/dog/bowls-feeders/auto-feeders/14429.asphttp://www.dobiedetectives.com/dogtraproducts.html
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Project Overview Product regulates feeding amount for pets
Animal controls its feeding cycle Food is kept fresh
Modification is from an existing design
Product Components
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Background• Similar products on market
• Improved existing design
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Design Approach
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Design Approach
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ID From To DescriptionC1 Transmitter Antenna, Pin 24 of U1 Receiver Antenna, Pin 28 of U3 418 MHz Radio SignalC2 Valid Transmission, Pin 11 of U3 Input, Pin 3 of U4 Detection of Collar BeaconC3 Pin 5 of U4 Pin 2 of U6 Control Signal @ 3VC4 Relay Electric Motor Closed Circuit Driving AC Motor Inside Pet Feeder
Interconnects
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Tradeoffs and Design ConsiderationsSpecifications Planned Achieved Battery Small cell battery 3V Coin Cell, 300-400mAh typicalTransmitter Current Draw (On) TBD ~1mAUnique Identifier 16 or 32 bit 10 digit binaryEffective Range 3-6 feet 3-6 feet, adjustableFeed Rate .5 oz/20 secondsMotor Power 6 WattBattery Life 6 Months 100 Hours per CellFood Capacity TBD 5 LbsTransmitter Ping Time < 2 minutes ~10 secondsTransmitter Weight < 6 ounces TBDFeeder Mechanism TBD Powered Auger feederTimer Minute Accuracy Original Timer AbandonedCommunication TBD EM Spectrum 418 Mhz Radio
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AlternativesRFID
IR
Cypress
Antenna
Radio Modem
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TXE/RXD 418-KH2
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Marketing & Cost Analysis
• Existing timer based products have limited features:
• Ergo AutoPetFeeder (right) – ($108)
• Le Bistro Feeder (left) – ($80)
http://www.thepetstoreonline.com/ergo-automatic-pet-cat-dog-feeder-waterer.htmlhttp://www.petsmart.com/product/index.jsp?productId=2751238
• Additional and beneficial features exist with our product
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Prototype CostsItem Qty Cost Total
Dog Feeder 1 $100 $100Microcontroller 1 $15 $15
Relay 1 $2 $2 Batteries 10 $0.5 $5
Transmitter 1 $10 $10 Receiver 1 $16 $16
Power Supply 1 $10 $10
Misc Parts 20% $32 Total $190
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Production CostsDevelopment Costs $62,149
Based on: 1,500,000units
Parts Cost 50Assembly Labor 6Testing Labor 3Production Costs 144Profit 21 12.40%Selling Price $165
Total Revenue $247,500,000 Total Profit $30,781,601
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Future Work
Battery Life Auger speed
Packaging
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More than 140 million dogs and cats in the United States- every one of them eats!