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→Week 4 - Sensors, Semiconductors
=== Week 4 - Sensors, Semiconductors ===
* Reference:
** Potentiometers: [http://en.wikipedia.org/wiki/Potentiometer description], including [http://en.wikipedia.org/wiki/Potentiometer#Theory_of_operation theory of / how to calculate voltages(e.g. Ohms Law) with potentiometers].
** Photoresistors: [http://en.wikipedia.org/wiki/Photoresistor] (moderately informative). adafruit industries [http://www.adafruit.com/blog/2009/05/21/photocells-aka-cds-cells-photoresistors-ldr-light-dependent-resistor/ brief] [http://www.ladyada.net/learn/sensors/cds.html thorough]
** Transistors: [http://en.wikipedia.org/wiki/Transistor]
