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	<title>Patrick O&#039;Keefe &#187; Quadcopter</title>
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		<title>Quadcopter On-Board Video</title>
		<link>http://www.patokeefe.com/archives/300</link>
		<comments>http://www.patokeefe.com/archives/300#comments</comments>
		<pubDate>Fri, 10 Apr 2009 01:40:55 +0000</pubDate>
		<dc:creator>Patrick</dc:creator>
				<category><![CDATA[Quadcopter]]></category>

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		<description><![CDATA[Success! Taking video from the quadcopter is about three weeks premature, but I couldn&#8217;t resist. I definitely should&#8217;ve waited for a roll-cage over the electronics, and this is made apparent by the fact that my front motor isn&#8217;t working after a few crashes today. I wanted to take some aerial shots of Lake Osceola on [...]]]></description>
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		<title>Research and Creativity Forum and More Pictures</title>
		<link>http://www.patokeefe.com/archives/291</link>
		<comments>http://www.patokeefe.com/archives/291#comments</comments>
		<pubDate>Wed, 08 Apr 2009 12:49:30 +0000</pubDate>
		<dc:creator>Patrick</dc:creator>
				<category><![CDATA[Quadcopter]]></category>

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		<description><![CDATA[I presented my quadcopter work at the Research and Creativity Forum yesterday. It was a great time. A couple of my professors stopped by and the judges seemed very impressed. It&#8217;s always good to get some motivation to continue working on this. The poster that I had at the event is linked in PDF format [...]]]></description>
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		<title>AR500 PWM Output Order</title>
		<link>http://www.patokeefe.com/archives/271</link>
		<comments>http://www.patokeefe.com/archives/271#comments</comments>
		<pubDate>Sun, 29 Mar 2009 19:51:13 +0000</pubDate>
		<dc:creator>Patrick</dc:creator>
				<category><![CDATA[Quadcopter]]></category>

		<guid isPermaLink="false">http://www.patokeefe.com/archives/271</guid>
		<description><![CDATA[So I didn&#8217;t want to throw down several hundred dollars for a TxRx combo, so I went with the $99 solution. The Spektrum DX5e is a five channel, full range transmitter that comes bundled with the AR500 receiver. Since I am reading the PWM in parallel and not the PPM, I needed to determine the [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Quadcopter First Flights</title>
		<link>http://www.patokeefe.com/archives/265</link>
		<comments>http://www.patokeefe.com/archives/265#comments</comments>
		<pubDate>Sun, 29 Mar 2009 19:24:23 +0000</pubDate>
		<dc:creator>Patrick</dc:creator>
				<category><![CDATA[Quadcopter]]></category>

		<guid isPermaLink="false">http://www.patokeefe.com/archives/265</guid>
		<description><![CDATA[Haha, it flies! I had no idea what to expect for the first series of flight&#8230;at least nothing broke. Here is one of the indoor tests. I had the stability turned off for the yaw axis, and that&#8217;s why it spins around in the air like that. It&#8217;s kind of cool to see how necessary [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>New Rx Tx and Debugging</title>
		<link>http://www.patokeefe.com/archives/252</link>
		<comments>http://www.patokeefe.com/archives/252#comments</comments>
		<pubDate>Sat, 14 Mar 2009 20:03:08 +0000</pubDate>
		<dc:creator>Patrick</dc:creator>
				<category><![CDATA[Quadcopter]]></category>

		<guid isPermaLink="false">http://www.patokeefe.com/archives/252</guid>
		<description><![CDATA[The replacement AR500 receiver came in the mail the other day. I managed to power it up without killing it like last time. I got a brand new transmitter too because the first one was the wrong mode. Mode 2 has the throttle on the left stick (which is standard in the US), and what [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Sensor Debugging and Deans Connector Success</title>
		<link>http://www.patokeefe.com/archives/246</link>
		<comments>http://www.patokeefe.com/archives/246#comments</comments>
		<pubDate>Mon, 02 Mar 2009 05:16:20 +0000</pubDate>
		<dc:creator>Patrick</dc:creator>
				<category><![CDATA[Quadcopter]]></category>

		<guid isPermaLink="false">http://www.patokeefe.com/archives/246</guid>
		<description><![CDATA[Today was a very productive day for the quadcopter. I had already converted the 4000mAh beast to a Deans setup, so I had to get all of the ESCs and Arduino power cables to join the battery in parallel. I bought a very cool 1 male to 2 female Deans parallel connector at the hobby [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Lipo Transmogrification</title>
		<link>http://www.patokeefe.com/archives/224</link>
		<comments>http://www.patokeefe.com/archives/224#comments</comments>
		<pubDate>Sun, 01 Mar 2009 04:59:49 +0000</pubDate>
		<dc:creator>Patrick</dc:creator>
				<category><![CDATA[Quadcopter]]></category>

		<guid isPermaLink="false">http://www.patokeefe.com/archives/224</guid>
		<description><![CDATA[This may be obvious to those who have experience with RC stuff, but I figured I would share my experience anyways because I think a couple of people on the forum face the same challenge. The problem with the most popular battery mentioned on the forum (Zippy Lightmax 4000mAh) is that it has bullet plugs [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>RC Vexation</title>
		<link>http://www.patokeefe.com/archives/209</link>
		<comments>http://www.patokeefe.com/archives/209#comments</comments>
		<pubDate>Sat, 28 Feb 2009 04:28:26 +0000</pubDate>
		<dc:creator>Patrick</dc:creator>
				<category><![CDATA[Quadcopter]]></category>

		<guid isPermaLink="false">http://www.patokeefe.com/archives/209</guid>
		<description><![CDATA[So everything was coming along just fine until I just broke the AR500 receiver. I was being a noob and was probing 5 Volts around the pins as if it was no big deal. The LED stopped flickering (which is always bad) and when I touched the receiver, it was extraordinarily hot. I&#8217;m pretty sure [...]]]></description>
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		<title>The Prop Problem</title>
		<link>http://www.patokeefe.com/archives/187</link>
		<comments>http://www.patokeefe.com/archives/187#comments</comments>
		<pubDate>Sat, 07 Feb 2009 05:41:58 +0000</pubDate>
		<dc:creator>Patrick</dc:creator>
				<category><![CDATA[Quadcopter]]></category>

		<guid isPermaLink="false">http://www.patokeefe.com/archives/187</guid>
		<description><![CDATA[This was one of those things that needed to be done, but just difficult to get around to. It actually turned out to be much more interesting that I expected. Here&#8217;s the problem: the EPP1045 propellers had a hole that was too small in the center. We needed to bore a wider hole so that [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>The Last of the Parts</title>
		<link>http://www.patokeefe.com/archives/179</link>
		<comments>http://www.patokeefe.com/archives/179#comments</comments>
		<pubDate>Thu, 05 Feb 2009 03:05:58 +0000</pubDate>
		<dc:creator>Patrick</dc:creator>
				<category><![CDATA[Quadcopter]]></category>

		<guid isPermaLink="false">http://www.patokeefe.com/archives/179</guid>
		<description><![CDATA[The 5DOF unit from Sparkfun came in the mail today. Also, the Rx Tx José and I ordered came a couple of days ago. Below are some pictures. Click on any to enlarge. The quarter is just so you can get a sense of scale. I just soldered some headers to the sensors so soon [...]]]></description>
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