delorie.com/archives/browse.cgi   search  
Mail Archives: geda-user/2015/04/21/20:10:56

X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=gmail.com; s=20120113;
h=from:to:subject:in-reply-to:references:user-agent:date:message-id
:mime-version:content-type;
bh=IjMQ/R8UsBKgrhpocZLV58kh4+NWiX7ybgTTUhGpWLo=;
b=QD6yVnsYrH39gCIgPL9N92sPRJIBVkxdVUBq1AS4cptomx6y44r8fF+QlCDSIsSAlH
w0wuUFbp8HbUnyje7oZ4/1HmCaZOFQW91l7G1jjsLnjVYDTFdY4fHgh+hajIIQetgYwZ
s/sLJcQMivo9qxiku27Y9ShSfB2miCFNKPTI9sXJNvrfAcZ895tXouY6KrlW7V5jSmQO
ItF48kjE1KAzznK+tzdb+6ZOTf6xyjUzTKKRzpgWztIVR62OPW0q10wWsvfY3vC7NeAQ
SYtoeXsmNi9cZtBlnxH+f7OfgeIfLFCKuJ1ez/pZcIC/OxUtgPbKbx4srK6W4rdMKA6m
0m0g==
X-Received: by 10.55.24.39 with SMTP id j39mr1041125qkh.60.1429661425444;
Tue, 21 Apr 2015 17:10:25 -0700 (PDT)
From: Ben Gamari <bgamari DOT foss AT gmail DOT com>
To: Rob Butts <r DOT butts2 AT gmail DOT com>, geda-user AT delorie DOT com
Subject: Re: [geda-user] Stepper driver issues
In-Reply-To: <CALSZ9gpoqcOxNRDvwEHipCgkHq0z+KmPY2AWBdRC_DRnz5SD+w@mail.gmail.com>
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>
User-Agent: Notmuch/0.19+93~g5c0ef3d (http://notmuchmail.org) Emacs/24.4.1 (x86_64-pc-linux-gnu)
Date: Tue, 21 Apr 2015 20:10:21 -0400
Message-ID: <87618p9g5u.fsf@gmail.com>
MIME-Version: 1.0
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com

--=-=-=
Content-Type: text/plain

Rob Butts <r DOT butts2 AT gmail DOT com> writes:

> * Can you spin the rotor by hand when it's disconnected?
>
> All three steppers spin freely.
>
A couple more simple tests:

  * Do you see any voltage on the coils when you spin
    the rotor?

  * Is the rotor slightly harder to turn when the coils are shorted
    together?

Cheers,

- Ben


--=-=-=
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iQEcBAEBAgAGBQJVNubtAAoJEHPt6ejPuu8BhbAIAMk2+SVBlaBsvSs+YY+U+Tdz
QxKPfcy/Ctr7ipTN/WNsP/A5H73yKlU/loMqO/LxdztmlHGrn6zS8+zYMlqQTnad
+99yIxKgWX1TsngeUJR/PG5UIS7yJNh5eEa6WV/yqSf2Z96NHKxcTxG+dFXEXbIu
PSPvoVVUd9Mrybrm9xaQp/gmB4fvzYpahrliwm4WsKeE6MVAaJiMKEST6+k/6AeP
catVz2/3eVP1gUHLKoPtLyWtzIPp+VaRWoBnRqhvvT0zAdb6+vkUKMwkXOD2+yu5
5JnQFv7LD0tewYKtiOwpZz2N6pOifTJqL9NqAuhueEcOhHHxR2udbyi9dvu3+z4=
=dSsQ
-----END PGP SIGNATURE-----
--=-=-=--

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019