household waste tracking system - cpb-us-w2.wpmucdn.com · household waste tracking system senior...
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Household
Waste Tracking
System Senior Capstone Design
By James Triola
Adviser: Walter Dixon III
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The Issue America has a waste problem
In 2012: 251 million tons of landfill trash
Generated
Personal Waste is around 4.43 lbs. per day
http://www.epa.gov/waste/nonhaz/municipal/
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Solution Generate “Big” & personal waste data
Create economic incentive for
sustainability
Create a culture of accountability
Catalogue personal waste production
System Proposal
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Measure weight of the waste
Identify the producer & Location of the
waste
Catalogue that data
Present that data to customers, Trash
companies, and local governments
Main Functions of the system
MICROCONTROLLER
/MEMORRY
Customer Identification
CAN WEIGHT
TAG AND
WEIGHT TABLE
Location
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Risks/System requirements
Waste measurement
-Load Cell/Load Cell interface
Customer Identification
-RFID/GPS
Location
-GPS/GPRS
Data Storage/Transmission
-Flash Storage/GSM
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Required Load Cell Tolerance
Av. Monthly household bill: $12-20 https://wasterecycling.org/images/documents/resources/Research-Bulletin-Service-At-A-Bargain.pdf
Av. Daily individual waste: 4.4 lb/day http://www.epa.gov/waste/nonhaz/municipal/
Av. People of per household: 2.58 http://quickfacts.census.gov/qfd/states/00000.html
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Theoretical Load Cell
Resolution A/D converter: 24 bit
Max Load Cell Voltage: 0.5 V
Load Cell response: 3333.33 kg/V
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Poll Can
ID
Can
Detected
Record
Full
Weight
GPS
Location
Recorded
Dump
Trash
Record
Empty
Weight
Assign Net
Weight to ID
Poll For
GSM
Send
Weight to
Web
Interface
Record To
SD for later
Record
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Attempt
GSM
Send
Post Weight,
ID,& Location
To Dweet
Freeboard.io
Get from
Dweet
Display Data
Web Interface Overview
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Dweet
Stores Variables through Http “Post”
Variables retrieved through Http “get”
Variables identified by “thing” and key
Dweet Payload:
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Freeboard.io
Updates based on variables from Dweet
using “get” commands
Can display values, strings, locations, etc.
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Device Connection
Arduino
Mega
Master
Load Cell A/D &
Amplifier
RFID
Reader
GSM/GPS
Module
Analog
Synchronized
Serial Comm Clock Pulse
I2C UART
Comm
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Devices Information
Arduino
Mega
Master
Load Cell A/D &
Amplifier
RFID
Reader
GSM/GPS
Module
Differential
Voltage
Weight
RFID Card
ID
HTTP Data
GPS/GPRS
Data
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Device Build
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Test Device
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Freeboard.io Display
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Equipment Testing
RFID Distance
Load Cell Accuracy
GPRS Location Testing
GPS Location Testing
Cellular connectivity
Overall function
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GPS Location Testing
Actual Location
Gps Location
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GPRS Location Testing
Actual Location
Gprs Location
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Load Cell Testing
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RFID Testing
Infront Infront (5cm displacement left)
Trial Distance (cm) Trial Distance (cm)
1 9.1 1 7.25
2 9.2 2 7.4
3 9.1 3 7.5
4 9.2 4 7.3
5 9.5 5 7.4
average 9.22 average 7.37
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Expenses Item Quantity Needed Price Per Unit Total Estimated Price
Micro Controller 1 $45.95 $45.95
GPS/GSM sheild 1 $49.97 $49.97
GPS Antena 1 $3.95 $3.95
GSM Antena 1 $7.95 $7.95
GSM Antena Conector 1 $4.95 $4.95
GSM Battery Pack 1 $12.95 $12.95
Battery Pack Charger 1 $7.95 $7.95
50 Kg Load Cell 1 $56.95 $56.95
Load Cell amp 1 $4.81 $4.81
Micro Controller Power Supply 1 $3.95 $3.95
SD read/Write board 1 $1.97 $1.97
RFID Reader 1 $39.95 $39.95
RFID Chips 4 $2.50 $10.00
Arduino Headers 2 $1.50 $3.00
SD Card 1 $0.49 $0.49
Cell Contract/SIM card 1 $15.00 $15.00
Total: $269.79
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Questions/Comments?
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Future Work
Web Server & Database Development
Retrofitting and testing in real world
environment