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        <title>Servo outputs on RRD RAMPS?</title>
        <description> I have the RepRapDiscount RAMPS board and I am wondering about the four servo outputs.

Has anybody used these for anything?</description>
        <link>https://reprap.org/forum/read.php?219,251798,251798#msg-251798</link>
        <lastBuildDate>Fri, 07 Aug 2026 12:31:07 -0400</lastBuildDate>
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            <guid>https://reprap.org/forum/read.php?219,251798,253757#msg-253757</guid>
            <title>Re: Servo outputs on RRD RAMPS?</title>
            <link>https://reprap.org/forum/read.php?219,251798,253757#msg-253757</link>
            <description><![CDATA[ Too funny. I never paid attention to the servo pins before, and once I got curious I kept searching after I posted here. Interesting find!<br />
<br />
BTW, that looks like a nice little control board. Thanks for posting that. Bookmarked!]]></description>
            <dc:creator>BrentB</dc:creator>
            <category>RAMPS Electronics</category>
            <pubDate>Thu, 10 Oct 2013 23:11:18 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?219,251798,253581#msg-253581</guid>
            <title>Re: Servo outputs on RRD RAMPS?</title>
            <link>https://reprap.org/forum/read.php?219,251798,253581#msg-253581</link>
            <description><![CDATA[ Awesome, I replied to randomly help out and it turns out you helped me out more! lol<br />
<br />
I got <a href="http://www.ebay.ca/itm/251343056214" target="_blank"  rel="nofollow">THIS</a> board from ebay to run my extra fans and things. It's pretty handy as I could not find any 5V computer case fans.]]></description>
            <dc:creator>uMinded</dc:creator>
            <category>RAMPS Electronics</category>
            <pubDate>Thu, 10 Oct 2013 10:53:01 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?219,251798,253397#msg-253397</guid>
            <title>Re: Servo outputs on RRD RAMPS?</title>
            <link>https://reprap.org/forum/read.php?219,251798,253397#msg-253397</link>
            <description><![CDATA[ Ah, I see.<br />
<br />
BTW, the video was linked to from here, the Marlin source repo: [<a href="https://github.com/ErikZalm/Marlin" target="_blank"  rel="nofollow">github.com</a>]<br />
The README displayed there has a lot of info about setting up auto-levelling in marlin.]]></description>
            <dc:creator>BrentB</dc:creator>
            <category>RAMPS Electronics</category>
            <pubDate>Wed, 09 Oct 2013 23:04:32 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?219,251798,253388#msg-253388</guid>
            <title>Re: Servo outputs on RRD RAMPS?</title>
            <link>https://reprap.org/forum/read.php?219,251798,253388#msg-253388</link>
            <description><![CDATA[ Cool, I really need to add that to my Prusa i3 as my bed is always out of wack when moving it around.<br />
<br />
I was using my servo pins to control all of the cooling fans and an overhead light.]]></description>
            <dc:creator>uMinded</dc:creator>
            <category>RAMPS Electronics</category>
            <pubDate>Wed, 09 Oct 2013 22:31:44 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?219,251798,253190#msg-253190</guid>
            <title>Re: Servo outputs on RRD RAMPS?</title>
            <link>https://reprap.org/forum/read.php?219,251798,253190#msg-253190</link>
            <description><![CDATA[ What were you using it for, uMinded?<br />
<br />
Last night I happened to see this video of automatic printer bed leveling. A servo is mounted to the x carriage, and swings down a probe to detect bed height at three locations. The firmware then follows that gradient when printing. <a href="http://www.youtube.com/watch?v=3IKMeOYz-1Q" target="_blank"  rel="nofollow">Bed Auto-leveling</a>]]></description>
            <dc:creator>BrentB</dc:creator>
            <category>RAMPS Electronics</category>
            <pubDate>Wed, 09 Oct 2013 09:41:58 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?219,251798,253067#msg-253067</guid>
            <title>Re: Servo outputs on RRD RAMPS?</title>
            <link>https://reprap.org/forum/read.php?219,251798,253067#msg-253067</link>
            <description><![CDATA[ I have the same board, when I used it with a mega 1280 all I did was "M43 S255 P11" to turn on the left most servo pin to maximum. The pins from left to right are D11, D6, D5, D4<br />
<br />
Here is the board pinouts:<br />
<a href="http://reprap.org/mediawiki/images/c/ca/Arduinomega1-4connectors.png" target="_blank"  rel="nofollow">Overview</a><br />
<a href="http://reprap.org/mediawiki/images/f/f6/RAMPS1.4schematic.png" target="_blank"  rel="nofollow">Schematic</a>]]></description>
            <dc:creator>uMinded</dc:creator>
            <category>RAMPS Electronics</category>
            <pubDate>Tue, 08 Oct 2013 23:52:49 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?219,251798,251798#msg-251798</guid>
            <title>Servo outputs on RRD RAMPS?</title>
            <link>https://reprap.org/forum/read.php?219,251798,251798#msg-251798</link>
            <description><![CDATA[ I have the RepRapDiscount RAMPS board and I am wondering about the four servo outputs.<br />
<br />
Has anybody used these for anything?]]></description>
            <dc:creator>BrentB</dc:creator>
            <category>RAMPS Electronics</category>
            <pubDate>Fri, 04 Oct 2013 21:39:34 -0400</pubDate>
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