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Thread: diode

  1. #1 diode 
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    what is the difference between photo diode & light dependent resistor(LDR)?
    Is LDR also a kind of diode.


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  3. #2  
    Forum Isotope (In)Sanity's Avatar
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    http://en.wikipedia.org/wiki/Photoresistor

    It's not a diode.

    I think you might be thinking or confusing them with

    http://en.wikipedia.org/wiki/Photodiode


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  4. #3  
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    Here is an article that discusses differences between types of light sensors.
    http://www.eetimes.com/design/automo...-light-sensors.
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