1. St George Girls High School December 2013 Soil Moisture Probe 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 when plants 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!