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→Week 4 - Potentiometers, Sensors
*** what are they [http://en.wikipedia.org/wiki/Potentiometer], including [http://en.wikipedia.org/wiki/Potentiometer#Theory_of_operation theory of] (how to calculate voltages)
** Photoresistors
*** moderately informative wikipedia page [http://en.wikipedia.org/wiki/Photoresistor]
** Force Sensors
*** http://www.interlinkelectronics.com/force_sensors/technologies/fsr.html