1. By: Jackie Navara

2. How does the sensor work?

3. Physics Law for magnetism: Maxwell-Faraday Equations:

4. Arudino http://www.youtube.com/watch?v=d5ZYWkRcxfQ http://code.google.com/p/magstripelib/

5. Where are the sensors used? Compass & Earth’s magnetic field Tracking devices Wheel speed sensor

6. Errors or Limit Rubbing magnetic card Placing plastic bag over magnetic strip

7. REFERENCES http://money.howstuffworks.com/personal- finance/debt-management/magnetic-stripe-credit- card1.htm http://money.howstuffworks.com/personal- finance/debt-management/magnetic-stripe-credit- card1.htm http://en.wikipedia.org/wiki/Magnetic_stripe_card http://www.dowaytech.com/en/