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St George Girls High School

St George Girls High School. Soil Moisture Probe. December 2013. PMcL. Engineers…. Help people Solve problems Make things Improve society. A Problem…. How can we help?. Reduce our consumption: only water plants & lawns when they need it. How do we know when plants need watering?.

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St George Girls High School

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  1. St George Girls High School Soil Moisture Probe December 2013 PMcL

  2. Engineers… • Help people • Solve problems • Make things • Improve society

  3. A Problem…

  4. How can we help? Reduce our consumption: only water plants & lawns when they need it

  5. How do we know whenplants need watering? Measure the moisture in the soil! How? Measure its resistance to electricity.

  6. What do we need? • A way to measure the resistance of soil • A computer • A visual display / alarm • An audible alarm • Power

  7. The solution – a soil moisture probe!

  8. What you will be doing… • Surface mount • Through-hole • Programming • Troubleshooting

  9. Safety… • Lab rules are for safety • Lab rules are enforced • Work individually but in groups of two or three (buddy system)

  10. What else do electrical engineers do?

  11. Power Systems

  12. Renewable Energy

  13. Electronics

  14. Embedded Systems

  15. Robotics

  16. Plus a lot more… • Biomedical • Telecommunications • Mechatronics • Networking • Software

  17. Let’s have some fun!

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