Transcript Lisgar Weather Station

Lisgar Weather Station
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Welcome
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Background
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Description
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Student Work
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Summary
Engineering
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Application of
scientific and
mathematical
principles
Identify an engineer
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B.A.Sc.
e.g. www.eng.uwaterloo.ca
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Registered www.peo.ca
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Iron Ring www.ironring.ca
Engineer In Residence
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PEO outreach
program
Match engineers
with schools www.eir.ca
Bridge the gap that
can exist between
the real world and
classroom theory
Teacher & EIR are
volunteers
Background
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Derrick Oswald
[email protected]
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Engineer 25 years
Develop software for
Autodesk
www.autodesk.com
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Daughters in Grade
11 at Lisgar and
Grade 6 at Knoxdale
PS
The Weather Station Project
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Solar powered
sensor unit with
radio link to a laptop
based data
collecting station in
the classroom
Summative project
for Weather strand
of Grade 10 science
Budget < $1000
Power
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Retail solar panel
Short winter days
are a challenge (1
Watt req.)
Surplus lead-acid
batteries
Canadian Tire
www.canadiantire.ca
5 Watts @ 12 Volts
#11-1881-0 $69.99
Microcontroller
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BasicX-24
www.basicx.com
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16 digital 8 analog
I/O
Serial
communication
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32K EEPROM
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RobotShop
www.robotshop.ca
development system
Telemetry
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Low power FM
modules
Concrete floors &
metal roofs are a
challenge
Abacom
www.abacom-tech.com
RTF3 & RRF1
$54.50
Instruments
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Anemometer
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Barometer
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Thermometer
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Precipitation Gauge
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Hygrometer
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Photometer
Design
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4 or 5 groups
3 or 4 instruments
ea.
=2
groups/instrument
Generate valid
alternative designs
Goal –
understanding
scientific principals
Evaluate
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Compare designs
pair wise against a
set of criteria
Quantify “quality”
Choose “best”
design for each
instrument
Examine hybrid
designs (best of
both)
Construct
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Order parts
Construct
components
Assemble
instrument
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Test
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Iterate design
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Integrate with
microcontroller
Calibrate
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Experimental design
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Setup
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Measurement
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Error analysis
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Iterate design
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Report
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Aging (burn in)
Install
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Mechanical fitting
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Electrical fitting
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Integration with
other components
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Mount on roof
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Acceptance test
Monitor
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Data collection
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Analysis
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Comparison with
published
meteorological data
Web interface?
Electronic bulletin
board interface?
Summary
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Lisgar Weather Station project
http://lisgar.net/weatherstation
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Sponsored by PEO Engineer in Residence
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Comprising six student built instruments
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Grade 10 science summative
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One to two year lifespan
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~$1000
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Asking for permission and matching funds