http://www.youtube.com/watch?v=kK94lLZV1qg
Rubber Band Potentiometer
http://cnmat.berkeley.edu/recipe/diy_position_sensing_linear_potentiometer_using_conductive_rubber
Fabric Potentiometer
http://www.kobakant.at/DIY/?p=543
Three LEDs with multimeter
5 LED resistor calculator
Panasonic- Orange
OSRAM- Blue
Lite On- Green
Rohm- Yellow
Lumex- White
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