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Here the transistor is needed to provide the muscle wire with enough current whilst not drawing too much current from the Arduino and therefore preventing it from breaking. | Here the transistor is needed to provide the muscle wire with enough current whilst not drawing too much current from the Arduino and therefore preventing it from breaking. | ||
[[File:Rsschematic2.png]] | [[File:Rsschematic2.png|385px]] | ||
[[File:schematic2rs.png]] | [[File:schematic2rs.png|300px]] | ||
'''Expanding Circles Experiments''' | '''Expanding Circles Experiments''' | ||