Treasure hunt

Homemade bend sensor
Homemade Fabric/Stretch Sensor
Electroluminescent “wire” (EL-wire) (4.95 $)
Alcohol sensor (4.50$)
Solenoid (1.42 $)
Linear actuator
(2.99$)
Fiber optic cable (1$)
Tiny Potentiometer (0.75$)
Conductive fabric
Thermochromic paint/dye (4.95$)
Nitinol / shape memory alloy wire(2$)
Conductive paint
Neodymium magnets(0.24$)
Copper tape / copper foil(1.27$)
Tilt sensor (1.85$)
Peltier Junction (9.95$)

Most bizarre component used with arduino.
Weird use given to an arduino.

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