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Light brightness control

  1. Oct 8, 2012 #1
    Assalamualaikum... << Islamic translation by Moderators: "Peace be unto you" >>
    hello everyone...
    i just want to know how to control the light brightness for automatically...
    what i know...in manual we can use a dimmer to control the light brightness..(correct me if i wrong)...
    if anyone can help me to solve this problem?..
     
    Last edited by a moderator: Oct 8, 2012
  2. jcsd
  3. Oct 8, 2012 #2

    berkeman

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    Staff: Mentor

    Welcome to the PF.

    What do you want to use to automatically control the brightness? You can use a light sensor to sense the ambient light level, and adjust your light based on that, for example...
     
  4. Oct 8, 2012 #3
    its like seem to use PWM with LDR right?
    or there have another solution that might be use...?
     
  5. Oct 8, 2012 #4

    berkeman

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    Staff: Mentor

    Yes, exactly. That would be a typical solution.
     
  6. Oct 8, 2012 #5
    thanks for the infomation...
    nice...=)
     
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