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	<title>oao.no &#187; Hardware</title>
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	<description>English</description>
	<lastBuildDate>Mon, 28 Feb 2011 22:41:51 +0000</lastBuildDate>
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		<title>NV-RAM for the TS7500 ARM single board computer</title>
		<link>http://oao.no/wpe/2011/02/ts7500-nvram/</link>
		<comments>http://oao.no/wpe/2011/02/ts7500-nvram/#comments</comments>
		<pubDate>Mon, 28 Feb 2011 22:41:51 +0000</pubDate>
		<dc:creator>oao</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[ARM]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://oao.no/wpe/?p=281</guid>
		<description><![CDATA[Technologic Systems&#8217; ARM single board computers for embedded systems, the 7500 series, may be ordered with a battery backed up real time clock. However, unlike RTC chips used for PC&#8217;s these come with no static RAM. I missed this RAM for an application I was working on and therefore modified the board. This made this [...]]]></description>
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		<slash:comments>1</slash:comments>
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		<title>Stellaris Cortex and OpenOCD</title>
		<link>http://oao.no/wpe/2010/05/stellaris-cortex-and-openocd/</link>
		<comments>http://oao.no/wpe/2010/05/stellaris-cortex-and-openocd/#comments</comments>
		<pubDate>Wed, 26 May 2010 12:06:00 +0000</pubDate>
		<dc:creator>oao</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[cortex]]></category>
		<category><![CDATA[flash programming]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[openocd]]></category>

		<guid isPermaLink="false">http://oao.no/wpe/?p=144</guid>
		<description><![CDATA[I have always had problems with OpenOCD, mainly due to bad documentation out of sync with the code. I got a new evaluation board for the LM3S2965 processor (EK-LM3S2965) last week and gave OpenOCD a new try, and lo, this has become quite simple. From the page-sized configuration scrips floating around to this two-line openocd.cfg: [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>A small DIY hydro-electric power generator</title>
		<link>http://oao.no/wpe/2010/03/small-hydro-generator/</link>
		<comments>http://oao.no/wpe/2010/03/small-hydro-generator/#comments</comments>
		<pubDate>Mon, 22 Mar 2010 19:42:52 +0000</pubDate>
		<dc:creator>oao</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[hydro electric power]]></category>
		<category><![CDATA[small hydro]]></category>

		<guid isPermaLink="false">http://oao.no/wpe/?p=124</guid>
		<description><![CDATA[I was involved with the development of a 5 kW hydro-electric power generator in 1985. It has now run for 25 years and I  publish this description of the plant to celebrate. The system consists of several main parts: penstock, turbine, belt transmission, generator, voltage regulator and a frequency controller. The turbine runner is an [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Pneumatic organ control</title>
		<link>http://oao.no/wpe/2010/03/pneumatic-organ/</link>
		<comments>http://oao.no/wpe/2010/03/pneumatic-organ/#comments</comments>
		<pubDate>Fri, 12 Mar 2010 19:59:29 +0000</pubDate>
		<dc:creator>oao</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[organ linux pneumatics]]></category>

		<guid isPermaLink="false">http://oao.no/wpe/?p=110</guid>
		<description><![CDATA[I have produced the control system for several pipe organs using electro-magnetic solenoids for the stop actions.  I just finished a new one where we use pneumatic cylinders to provide force. A pneumatic system can actually work without producing much noise if set up correctly. So we are very happy with this new organ in [...]]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Store docs in the microcontroller&#8217;s flash</title>
		<link>http://oao.no/wpe/2010/02/flash-doc/</link>
		<comments>http://oao.no/wpe/2010/02/flash-doc/#comments</comments>
		<pubDate>Wed, 17 Feb 2010 08:35:24 +0000</pubDate>
		<dc:creator>oao</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[bash]]></category>
		<category><![CDATA[flash programming]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[micro controller]]></category>

		<guid isPermaLink="false">http://oao.no/wpe/?p=90</guid>
		<description><![CDATA[When starting out as an engineer, building electronic circuits of many kinds, my mentor advised me to always leave a copy of the schematics within the box. This is a wise proposition, the schematics in the box will probably be up to date and readily available. On the other hand, external documentation may be displaced [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>ARM with CAN interface</title>
		<link>http://oao.no/wpe/2009/12/arm-with-can-interface/</link>
		<comments>http://oao.no/wpe/2009/12/arm-with-can-interface/#comments</comments>
		<pubDate>Wed, 16 Dec 2009 16:35:00 +0000</pubDate>
		<dc:creator>oao</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[ARM]]></category>
		<category><![CDATA[open hardware]]></category>

		<guid isPermaLink="false">http://oao.no/wpe/?p=13</guid>
		<description><![CDATA[An open hardware project involving a PCB with an AT91SAM7X128 processor with galvanically isolated CAN bus and power running off 24V DC. All documentation needed for production (schematics, board layout, gerber files) is included in this tar-archive. You are free to use and produce this hardware, see the included license file. This project is also [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>A fan for my graphic card</title>
		<link>http://oao.no/wpe/2009/09/a-fan-for-graphic-card/</link>
		<comments>http://oao.no/wpe/2009/09/a-fan-for-graphic-card/#comments</comments>
		<pubDate>Wed, 23 Sep 2009 15:33:00 +0000</pubDate>
		<dc:creator>oao</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[cooloing]]></category>
		<category><![CDATA[fan]]></category>

		<guid isPermaLink="false">http://oao.no/wpe/?p=11</guid>
		<description><![CDATA[My graphic card felt hot to the touch, it needed some cooling. This is not an advanced card, so there is no on card fan. I took an old PCI network card I had no more use for and drilled/cur some holes: A big one for the fan and smaller ones for bolts. I mounted [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>The ring binder PC</title>
		<link>http://oao.no/wpe/2009/09/the-ring-binder-pc/</link>
		<comments>http://oao.no/wpe/2009/09/the-ring-binder-pc/#comments</comments>
		<pubDate>Fri, 11 Sep 2009 21:00:00 +0000</pubDate>
		<dc:creator>oao</dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[itx]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://oao.no/wpe/?p=5</guid>
		<description><![CDATA[This PC is built into a very simple case: a ring binder. The PC is anembedded controller &#8211; not used by humans but independently doing its specialunsupervised job. In this case it wakes up once a day, takes a picturewith a USB camera, stores it and then powers off again. As an embedded controller this [...]]]></description>
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		<slash:comments>0</slash:comments>
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