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Trying to figure out what this is..

Sandman1

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

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davenn

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Sep 5, 2009
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Hi there
welcome to EP

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

davenn

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still no idea

again ... what did it come from ?
 

Sandman1

Mar 25, 2015
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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..
 

Tha fios agaibh

Aug 11, 2014
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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.
 

kpatz

Feb 24, 2014
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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.
 

davenn

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and clean all the gunk off the board
 
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