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Topic: IR sensor and motor (Read 2647 times) previous topic - next topic

mattcf

Recently I took apart an old printer,  and it had quite a few useful things inside, including this motor with an infrared transmitter and photoresistor.
The setup for the sensor is like that of the old trackball computer mice.
How would I go about using this as a "prescion" controlled motor, a rotation sensor, or something along those lines.



The setup for the sensor is like that of the old trackball computer mice.
How would I go about using this as a "prescion" controlled motor, a rotation sensor, or something along those lines.


Here is a picture of the trace.


The forum did not have much information on things like this, and Thank you in advance for any help.

Grumpy_Mike

This produces a quadrature signal just like a rotary encoder:-
http://www.arduino.cc/playground/Main/RotaryEncoders

mattcf

Hmm. Thats helpful, I did not know that. (haha)
Thank You for you quick response.

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