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Trying to figure out what this is..

Discussion in 'General Electronics Discussion' started by Sandman1, Mar 25, 2015.

  1. Sandman1

    Sandman1

    3
    0
    Mar 25, 2015
    Looks To me like some sort of PWM generator, Does it look famillar to any of you guys out there
    ?? 20150324_161748 (1).jpg
     

    Attached Files:

  2. davenn

    davenn Moderator

    13,264
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    Sep 5, 2009
    Hi there
    welcome to EP

    from those pics, cannot tell, none of the components are identifiable
    what did it come from ?
     
  3. Sandman1

    Sandman1

    3
    0
    Mar 25, 2015
    Heres some more.. 20150324_183351.jpg 20150324_181503.jpg 20150324_161157.jpg
     
  4. davenn

    davenn Moderator

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    Sep 5, 2009
    still no idea

    again ... what did it come from ?
     
  5. Sandman1

    Sandman1

    3
    0
    Mar 25, 2015
    Came from a controller of sorts its suppost to simulate vehicle speed to fool a ECM for a car, Just wondering if its some sort of generic DIY kit, or made or somthing else and is being repurposed..
     
  6. Tha fios agaibh

    Tha fios agaibh

    1,906
    600
    Aug 11, 2014
    I don't think your going to get much help here without being more specific.

    You could try making a schematic and listing the markings on the components.
    Then it may be more apparent what we are dealing with.
     
    davenn likes this.
  7. kpatz

    kpatz

    247
    52
    Feb 24, 2014
    X3.. we need component markings or a schematic.

    The little black things look like transistors, but what kind? PNP, NPN, N-channel or P-channel FETs, etc. No way to know without markings. There's also an 8-pin IC (get the number off that if you can) and a diode.

    Some better quality pictures would be helpful too. Try a well lit area and no flash, and use a real camera instead of a phone if you have one available.
     
  8. davenn

    davenn Moderator

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    1,749
    Sep 5, 2009
    and clean all the gunk off the board
     
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