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Activities/Turtle Art/Using Turtle Art Sensors (view source)
Revision as of 17:10, 24 February 2011
, 17:10, 24 February 2011→Bicycle trip computer
* maximum speed
* maximum speed
* clock and stopwatch
* clock and stopwatch
The Hall effect sensor costs $6, a cheaper option might be a reed switch $2 [http://www.jaycar.com.au/productView.asp?ID=SM1002]
===Ampere's Law===
===Ampere's Law===