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26-02-2015 #11
Hi,
some help here please. I am not very good with electronics.
I am looking at the pdf and i see some difference between the 2 drawings
some questions:
-the caps on the 1st /hand/ drawing go to ground and on the second not? I started soldering like the first, then saw the difference, so which one is correct?
-there are 2 more caps on the second drawing /DIR , STEP/ ??
-i will use +-12v from PC ATX instead of 7-9v do i need to change something? UA741CN
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