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Lisgar Weather Station

Lisgar Weather Station. Welcome Background Description Student Work Summary. Engineering. Application of scientific and mathematical principles Identify an engineer B.A.Sc. e.g. www.eng.uwaterloo.ca Registered www.peo.ca Iron Ring www.ironring.ca. Engineer In Residence.

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Lisgar Weather Station

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  1. Lisgar Weather Station • Welcome • Background • Description • Student Work • Summary

  2. Engineering • Application of scientific and mathematical principles • Identify an engineer • B.A.Sc.e.g.www.eng.uwaterloo.ca • Registered www.peo.ca • Iron Ring www.ironring.ca

  3. Engineer In Residence • 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

  4. Background • Derrick OswaldDerrickOswald@rogers.com • Engineer 25 years • Develop software forAutodesk www.autodesk.com • Daughters in Grade 11 at Lisgar and Grade 6 at Knoxdale PS • Active on School Council for 8 years

  5. The Weather Station Project • 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

  6. Power • Retail solar panel • Short winter days are a challenge (1 Watt req.) • Surplus lead-acid batteries • Canadian Tire www.canadiantire.ca5 Watts @ 12 Volts#11-1881-0 $69.99

  7. Microcontroller • BasicX-24 www.basicx.com • 16 digital 8 analog I/O • Serial communication • 32K EEPROM • RobotShop www.robotshop.cadevelopment systemRB-Net-04 $143.99

  8. Telemetry • Low power FM modules • Concrete floors & metal roofs are a challenge • Abacomwww.abacom-tech.comRTF3 & RRF1 $54.50

  9. Instruments • Anemometer • Barometer • Thermometer • Precipitation Gauge • Hygrometer • Photometer

  10. Design • 4 or 5 groups • 3 or 4 instruments ea.= 2 groups/instrument • Generate valid alternative designs • Goal – understanding scientific principals • Design competition?

  11. Evaluate • Compare designs pair wise against a set of criteria • Quantify “quality” • Choose “best” design for each instrument • Examine hybrid designs (best of both) • Robustness is the key

  12. Construct • Order parts • Construct components • Assemble instrument • Test • Iterate design • Integrate with microcontroller

  13. Calibrate • Experimental design • Setup • Measurement • Error analysis • Iterate design • Report • Aging (burn in)

  14. Install • Mechanical fitting • Electrical fitting • Integration with other components • Mount on roof • Acceptance test

  15. Monitor • Data collection • Analysis • Comparison with published meteorological data • Web interface? • Electronic bulletin board interface?

  16. Summary • Lisgar Weather Station project http://lisgar.net/weatherstation • Sponsored by PEO Engineer in Residence • Comprising six student built instruments • Grade 10 science summative • One to two year lifespan • ~$1000 • Asking for permission and matching funds

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