Activities/Turtle Art/Using Turtle Art Sensors: Difference between revisions
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* 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=== | ||