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	Tue, 21 Apr 2015 15:51:40 -0700 (PDT)
Message-ID:	<5536D47B.6090702@m0n5t3r.info>
Date:	Wed, 22 Apr 2015 01:51:39 +0300
From:	Sabin Iacob <iacobs AT m0n5t3r DOT info>
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To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] Stepper driver issues
References:	<CALSZ9goH9CUT=5DStdVUG4d45ff30WieHc2-DsXpjX=7cf42Nw AT mail DOT gmail DOT com> <5536A38F DOT 50104 AT m0n5t3r DOT info> <CALSZ9gpoqcOxNRDvwEHipCgkHq0z+KmPY2AWBdRC_DRnz5SD+w AT mail DOT gmail DOT com>
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Reply-To:	geda-user AT delorie DOT com

On 04/22/2015 01:12 AM, Rob Butts wrote:
> * Can you spin the rotor by hand when it's disconnected?
>
> All three steppers spin freely.
>
> * Have you checked winding continuity?
>
> They all measure close to 4 ohms
>
> * Are the windings connected properly?
>
> I have a connector to the stepper with colored wires to each winding
> (a+ - green, a- - blue, b+ - black, b- - red).  Yes, they are verified
> connected to the correct pin (1st, 3rd, 4th and 6th) respectively.
>
> As for trying the steppers with a 12V supply, I haven't gotten help
> for that yet.
> ​


then maybe there is something wrong with the current setting? (like
wrong or badly marked / badly identified resistor - I know I sometimes
have a hard time distinguishing between brown and red on THT ones)

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