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        <title>How many opto-endstops?</title>
        <description> I have notice that the Mendel design calls for only three opto-endstops however the mcwire and darwin (if memory serves) designs call for 6. Has there been a change to the firmware that allows for only three endstops? I plan to build mcwire to bootstrap mendel and am wondering if I need to buy 6 endstops or if I can get by using three.</description>
        <link>https://reprap.org/forum/read.php?14,35028,35028#msg-35028</link>
        <lastBuildDate>Thu, 08 Oct 2026 22:22:18 -0400</lastBuildDate>
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            <guid>https://reprap.org/forum/read.php?14,35028,35148#msg-35148</guid>
            <title>Re: How many opto-endstops?</title>
            <link>https://reprap.org/forum/read.php?14,35028,35148#msg-35148</link>
            <description><![CDATA[ Cool, I can scratch $9 from the balance sheet. Thanks.]]></description>
            <dc:creator>spaztik</dc:creator>
            <category>Mechanics</category>
            <pubDate>Fri, 05 Feb 2010 11:47:59 -0500</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?14,35028,35041#msg-35041</guid>
            <title>Re: How many opto-endstops?</title>
            <link>https://reprap.org/forum/read.php?14,35028,35041#msg-35041</link>
            <description><![CDATA[ you can get by using three. You need one for the zero point of each axis.<br />
<br />
The other three are for the maximum points. they can be defined in code if necessary, but it's more fail-safe to have endstops.]]></description>
            <dc:creator>Triffid_Hunter</dc:creator>
            <category>Mechanics</category>
            <pubDate>Thu, 04 Feb 2010 17:33:03 -0500</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?14,35028,35028#msg-35028</guid>
            <title>How many opto-endstops?</title>
            <link>https://reprap.org/forum/read.php?14,35028,35028#msg-35028</link>
            <description><![CDATA[ I have notice that the Mendel design calls for only three opto-endstops however the mcwire and darwin (if memory serves) designs call for 6. Has there been a change to the firmware that allows for only three endstops? I plan to build mcwire to bootstrap mendel and am wondering if I need to buy 6 endstops or if I can get by using three.]]></description>
            <dc:creator>spaztik</dc:creator>
            <category>Mechanics</category>
            <pubDate>Thu, 04 Feb 2010 16:30:25 -0500</pubDate>
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