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	<title>Techyard - Backyard of Tech - All stuff about Electronics, Microcontrollers, Opensource and Projects</title>
	<link>http://techyard.info/blog</link>
	<description>Techyard - Backyard of Tech - All Things about Electronics, Microcontrollers, Opensource and Projects</description>
	<lastBuildDate>Sun, 05 Sep 2010 23:00:19 +0000</lastBuildDate>
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		<title>Accelerometer with Filters &#8211; How to deal with noisy data</title>
		<description><![CDATA[Recently, I am busing on a project which need to measure the distance through an accelerometer’s readout. From the first impression of this project, I thought that it might be very simple to deal with. But the truth is that we need to]]></description>
		<link>http://techyard.info/blog/2010/09/accelerometer-with-filters-how-to-deal-with-noisy-data/</link>
			</item>
	<item>
		<title>STM32 Multiple USART Driver</title>
		<description><![CDATA[Recently, I am developing a small project which utilize many many uart device. The core controller chip is a STM32 Cortex-M3 Chip which has 5 UARTS.&#160; In order to make full use of these UART interface, I just customized a small USART Driver which can make full control of 5 UARTS. Due to STM32’s restrictions [...]]]></description>
		<link>http://techyard.info/blog/2010/07/code-stm32-multiple-usart-driver/</link>
			</item>
	<item>
		<title>EDN Design Ideas &#8211; Download Them All from 1999 to 2009</title>
		<description><![CDATA[Recently, My favourite magazine EDN have changed their website style. But it caused many problem. Now I cannot find new design ideas from the website.&#160; So I just make a google , it tell me that they just hidden the design ideas to magazine issue page. here is the link. But for your convience, I [...]]]></description>
		<link>http://techyard.info/blog/2010/06/edn-design-ideas-where-is-the-new-ideas/</link>
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		<title>Study Notes &#124; How to reduce the ripple noise voltage</title>
		<description><![CDATA[Recently, I need to design a filter to deal with the problem of a ripple voltage caused by a SMPS(Switch Mode Power Supply). But it need so much tricky to solve this problem. So here is a guideline to make it more easily to slove this problem. 1. How to measure the ripple voltage ? [...]]]></description>
		<link>http://techyard.info/blog/2010/04/study-notes-how-to-reduce-the-noise-voltage/</link>
			</item>
	<item>
		<title>Zener Diode Part List</title>
		<description><![CDATA[Recently, I use some zener diode as a reference source to drive my comparator  circuit. So I made a Zener Diode List which from my "Search Job". Here is the spreadsheet: 1N4099  ~ 1N4135 LOW CURRENT OPERATION 6.8V@250uA IZT LOW REVERSE LEAKAGE AND LOW NOISE CHARACTERISTICS 1N4158 ~ 1N4193 6.8V@37mA IZT 1N4400 ~ 1N4426 6.8V@37mA [...]]]></description>
		<link>http://techyard.info/blog/2010/02/zener-diode-part-list/</link>
			</item>
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		<title>HOT!! That Chip burned my finger</title>
		<description><![CDATA[Recently, I solve a problem which make a DA converter very very hot boiler. But thanks god, it works very well.. so other guys just ignore that problem, errr, I want to fix it. First, I need to check which pin is convert current to pass the chip then work as a resistor heater to [...]]]></description>
		<link>http://techyard.info/blog/2010/01/hot-chip-burned-my-finger/</link>
			</item>
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		<title>Study Notes &#124; Cadence Allegro SPB</title>
		<description><![CDATA[After nearly 3.5 years working in Creative, I finaly decided to change a job with more chanlledge which I never encoutered. In a new company, I decide to use OrCAD + Allegro to finish all projects. In next 3~4 weeks, I will write some notes about how to use Allegro to draw a PCB Board. [...]]]></description>
		<link>http://techyard.info/blog/2010/01/study-notes-cadence-allegro/</link>
			</item>
	<item>
		<title>Study Notes &#124; High Speed PCB Layout Guideline</title>
		<description><![CDATA[As you all know, I am a heavy search-depent person which got almost information from Google. So in my last year, I give a present a KeyNote to my colleagues  on the Topic of "How to Google Everything". And as an electronics engineer myself, I also have collected many design rule from Internet. Most of [...]]]></description>
		<link>http://techyard.info/blog/2010/01/high-speed-pcb-layout-guideline/</link>
			</item>
	<item>
		<title>Very First Post of My Very First Blog</title>
		<description><![CDATA[Hi, everybody. This is a blog site which mainly focus on the Technical stuff ranges from electronics design example, principle behind a circuit , how to program, and so on. My Name is Chenxiang Hsu. And I am an electronics designer which work in a small company dealing with hardware design job.  If you wanna [...]]]></description>
		<link>http://techyard.info/blog/2009/12/very-first-post/</link>
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