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→Analog Input driving Analog Output
==== Potentiometer driving Motor ====
Swap the motor for the light bulb in the transistor circuit. Now your knob should control the speed of the motor.
==== Photoresistor driving Lightbulb ====
Drive this circuit with the input from the photoresistor, using the transistor driver and lightbulb as output. Does yours motor turn on when it is light, or does it turn off? Switch this to the opposite behavior by rewriting the code running on the processor.
==== Photoresistor driving Motor ====
Swap the motor for the light bulb. Now you have a light controlled motor... hmmm.
===Actuators, for future reference===
