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Activities/Turtle Art/Using Turtle Art Sensors (view source)
Revision as of 02:43, 12 November 2010
, 02:43, 12 November 2010→Generating Electricity from a Changing Magnetic Field
Wrap 50 turns of insulated wire onto a nail and connect the two ends to a phono plug as shown (if it is a stereo plug, probably the red wire and the copper shield). Connect the phono plug to the microphone input. Graph the Sound or Volume block.
Wrap 50 turns of insulated wire onto a nail and connect the two ends to a phono plug as shown (if it is a stereo plug, probably the red wire and the copper shield). Connect the phono plug to the microphone input. Graph the Sound or Volume block.
[[File:Copper wire on nail.jpg.JPG]]
[[File:Copper wire on nail.jpg.JPG]] [[File:Fridge magnet.jpg|150px]]
* Wipe the sharp end rapidly over the back of the fridge magnet, try both directions.
* Wipe the sharp end rapidly over the back of the fridge magnet, try both directions.