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Activities/Turtle Art/Using Turtle Art Sensors (view source)
Revision as of 23:55, 23 November 2010
, 23:55, 23 November 2010→Generating Electricity from a Changing Magnetic Field
Requires a refrigerator magnet, often given away free with advertising on it.
Requires a refrigerator magnet, often given away free with advertising on it.
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. This is better with the XO1 than the XO1.5 because it is more sensitive.
[[File:Copper wire on nail.jpg.JPG]] [[File:Fridge magnet.jpg|200px]]
[[File:Copper wire on nail.jpg.JPG]] [[File:Fridge magnet.jpg|200px]]