Activities/Turtle Art/Using Turtle Art Sensors: Difference between revisions
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* wire | * wire | ||
* rubber band | * rubber band | ||
[[File:Carbon microphone materials.jpg]] | |||
Crush the charcoal to a fine powder. Make a hole in the centre of the lid. Strip a small amount of insulation from the wire, pass the wire through the hole. Then place a piece of foil against the wire. Fill the lid with crushed charcoal. Place foil over the charcoal and secure with a rubber band. | |||
==Links== | ==Links== | ||