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<channel>
	<title>TamsPalm - the Palm OS / web OS Blog &#187; Electronics</title>
	<atom:link href="http://tamspalm.tamoggemon.com/category/development/electronics/feed/" rel="self" type="application/rss+xml" />
	<link>http://tamspalm.tamoggemon.com</link>
	<description>Palm OS / web OS news and opinion source</description>
	<lastBuildDate>Tue, 07 Feb 2012 12:29:09 +0000</lastBuildDate>
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		<title>OLED power consumption / colors in use</title>
		<link>http://tamspalm.tamoggemon.com/2010/07/04/oled-power-consumption-colors-in-use/</link>
		<comments>http://tamspalm.tamoggemon.com/2010/07/04/oled-power-consumption-colors-in-use/#comments</comments>
		<pubDate>Sun, 04 Jul 2010 21:06:28 +0000</pubDate>
		<dc:creator>Tam Hanna, Site Founder</dc:creator>
				<category><![CDATA[Electronics]]></category>
		<category><![CDATA[Hardware News]]></category>

		<guid isPermaLink="false">http://tamspalm.tamoggemon.com/?p=6277</guid>
		<description><![CDATA[The core feature of OLED displays is their ability to turn off &#8220;unneeded&#8221; light sources behind subpixels &#8211; this allows them to offer a completely dark black, and furthermore save power when displaying &#8220;partial colors&#8221;. So far, nobody has studied this phenomenon in detail &#8211; enter Jeff Sharkey. This Android engineer did just that: Take, <a href='http://tamspalm.tamoggemon.com/2010/07/04/oled-power-consumption-colors-in-use/'>[...]</a>


Related posts:<ol><li><a href='http://tamspalm.tamoggemon.com/2010/08/04/samsung-faces-oled-rebellion/' rel='bookmark' title='Permanent Link: Samsung faces OLED rebellion'>Samsung faces OLED rebellion</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2010/06/27/htc-has-oled-supply-issues/' rel='bookmark' title='Permanent Link: HTC has OLED supply issues'>HTC has OLED supply issues</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2009/01/08/oled-strikes-back-oqo-model-2-handled/' rel='bookmark' title='Permanent Link: OLED strikes back &#8211; OQO Model 2+ handled'>OLED strikes back &#8211; OQO Model 2+ handled</a></li>
</ol>]]></description>
		<wfw:commentRss>http://tamspalm.tamoggemon.com/2010/07/04/oled-power-consumption-colors-in-use/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Smart Card Interface Fundamentals</title>
		<link>http://tamspalm.tamoggemon.com/2007/12/15/smart-card-interface-fundamentals/</link>
		<comments>http://tamspalm.tamoggemon.com/2007/12/15/smart-card-interface-fundamentals/#comments</comments>
		<pubDate>Sat, 15 Dec 2007 05:59:54 +0000</pubDate>
		<dc:creator>Tam Hanna, Site Founder</dc:creator>
				<category><![CDATA[Electronics]]></category>

		<guid isPermaLink="false">http://tamspalm.tamoggemon.com/2007/12/15/smart-card-interface-fundamentals/</guid>
		<description><![CDATA[Dallas Maxim has posted yet another highly useful application note to its website &#8211; application note 4029 looks at accessing smart cards(the cards used in banks,&#8230;). While the text is a bit biased towards Dallas Maxim products(hey, its an application note); it nevertheless gives an excellent overview of the communications protocol used to communicate with <a href='http://tamspalm.tamoggemon.com/2007/12/15/smart-card-interface-fundamentals/'>[...]</a>


Related posts:<ol><li><a href='http://tamspalm.tamoggemon.com/2007/09/16/accessing-an-sd-card-via-spi/' rel='bookmark' title='Permanent Link: Accessing an SD card via SPI'>Accessing an SD card via SPI</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/05/25/ibutton-overview/' rel='bookmark' title='Permanent Link: iButton overview'>iButton overview</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2007/01/21/accessing-sd-cards-with-a-microcontroller/' rel='bookmark' title='Permanent Link: Accessing SD cards with a microcontroller'>Accessing SD cards with a microcontroller</a></li>
</ol>]]></description>
		<wfw:commentRss>http://tamspalm.tamoggemon.com/2007/12/15/smart-card-interface-fundamentals/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Driving LED&#8217;s efficiently</title>
		<link>http://tamspalm.tamoggemon.com/2007/11/03/driving-leds-efficiently/</link>
		<comments>http://tamspalm.tamoggemon.com/2007/11/03/driving-leds-efficiently/#comments</comments>
		<pubDate>Sat, 03 Nov 2007 21:05:19 +0000</pubDate>
		<dc:creator>Tam Hanna, Site Founder</dc:creator>
				<category><![CDATA[Electronics]]></category>

		<guid isPermaLink="false">http://tamspalm.tamoggemon.com/2007/11/03/driving-leds-efficiently/</guid>
		<description><![CDATA[Light Emitting Diodes, abbrev. LED&#8217;s, are up-and-coming and will eventually replace both classic light bulbs and CCFL&#8217;s in various applications. TamsPalm covered a LED-powered Jornada a few months ago &#8211; meanwhile, LED&#8217;s have gone main-stream; with the latest ipaq&#8217;s having LED backlighted screens. National Semiconductor has released a paper that looks at driving high-power LED&#8217;s <a href='http://tamspalm.tamoggemon.com/2007/11/03/driving-leds-efficiently/'>[...]</a>


Related posts:<ol><li><a href='http://tamspalm.tamoggemon.com/2006/02/23/detecting-vibrators-and-alarm-leds-programmatically/' rel='bookmark' title='Permanent Link: Detecting vibrators and alarm leds programmatically'>Detecting vibrators and alarm leds programmatically</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/06/20/on-communicating-efficiently/' rel='bookmark' title='Permanent Link: On communicating efficiently'>On communicating efficiently</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/01/11/the-omnipen-pro-review/' rel='bookmark' title='Permanent Link: The OmniPen pro review'>The OmniPen pro review</a></li>
</ol>]]></description>
		<wfw:commentRss>http://tamspalm.tamoggemon.com/2007/11/03/driving-leds-efficiently/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Switch-Mode power supplies explained</title>
		<link>http://tamspalm.tamoggemon.com/2007/10/29/switch-mode-power-supplies-explained/</link>
		<comments>http://tamspalm.tamoggemon.com/2007/10/29/switch-mode-power-supplies-explained/#comments</comments>
		<pubDate>Mon, 29 Oct 2007 22:18:58 +0000</pubDate>
		<dc:creator>Tam Hanna, Site Founder</dc:creator>
				<category><![CDATA[Electronics]]></category>

		<guid isPermaLink="false">http://tamspalm.tamoggemon.com/2007/10/29/switch-mode-power-supplies-explained/</guid>
		<description><![CDATA[Classic voltage regulators like the 78xx series can be integrated into a circuit easily, however, their energy efficiency is terrible. Getting out higher currents at a high voltage drop makes these IC&#8217;s behave like mini stoves; and getting them to increase output voltage is impossible &#8211; not the kind of behavior needed when creating a <a href='http://tamspalm.tamoggemon.com/2007/10/29/switch-mode-power-supplies-explained/'>[...]</a>


Related posts:<ol><li><a href='http://tamspalm.tamoggemon.com/2006/06/25/new-analogdigital-converters-from-dallas-maxim/' rel='bookmark' title='Permanent Link: New Analog/Digital converters from Dallas Maxim'>New Analog/Digital converters from Dallas Maxim</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/05/25/ibutton-overview/' rel='bookmark' title='Permanent Link: iButton overview'>iButton overview</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/03/19/emulating-li-ion-batteries-with-a-nimh-cell/' rel='bookmark' title='Permanent Link: Emulating Li-Ion batteries with a NiMH cell'>Emulating Li-Ion batteries with a NiMH cell</a></li>
</ol>]]></description>
		<wfw:commentRss>http://tamspalm.tamoggemon.com/2007/10/29/switch-mode-power-supplies-explained/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Accessing an SD card via SPI</title>
		<link>http://tamspalm.tamoggemon.com/2007/09/16/accessing-an-sd-card-via-spi/</link>
		<comments>http://tamspalm.tamoggemon.com/2007/09/16/accessing-an-sd-card-via-spi/#comments</comments>
		<pubDate>Sun, 16 Sep 2007 22:18:08 +0000</pubDate>
		<dc:creator>Tam Hanna, Site Founder</dc:creator>
				<category><![CDATA[Electronics]]></category>

		<guid isPermaLink="false">http://tamspalm.tamoggemon.com/2007/09/16/accessing-an-sd-card-via-spi/</guid>
		<description><![CDATA[Finding out the communication protocol for communicating with SD cards is not easy &#8211; the specification is not available for free, and relies on a proprietary 6-wire bus. However, SD cards can also be accessed via SPI&#8230;and this is what the following application note from Dallas Maxim covers: http://www.maxim-ic.com/appnotes.cfm/appnote_number/4068 It starts of by looking at <a href='http://tamspalm.tamoggemon.com/2007/09/16/accessing-an-sd-card-via-spi/'>[...]</a>


Related posts:<ol><li><a href='http://tamspalm.tamoggemon.com/2007/12/15/smart-card-interface-fundamentals/' rel='bookmark' title='Permanent Link: Smart Card Interface Fundamentals'>Smart Card Interface Fundamentals</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2007/01/21/accessing-sd-cards-with-a-microcontroller/' rel='bookmark' title='Permanent Link: Accessing SD cards with a microcontroller'>Accessing SD cards with a microcontroller</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/03/19/emulating-li-ion-batteries-with-a-nimh-cell/' rel='bookmark' title='Permanent Link: Emulating Li-Ion batteries with a NiMH cell'>Emulating Li-Ion batteries with a NiMH cell</a></li>
</ol>]]></description>
		<wfw:commentRss>http://tamspalm.tamoggemon.com/2007/09/16/accessing-an-sd-card-via-spi/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Aceeca Meazura developer module endcaps</title>
		<link>http://tamspalm.tamoggemon.com/2007/07/11/aceeca-meazura-developer-module-endcaps/</link>
		<comments>http://tamspalm.tamoggemon.com/2007/07/11/aceeca-meazura-developer-module-endcaps/#comments</comments>
		<pubDate>Wed, 11 Jul 2007 21:27:07 +0000</pubDate>
		<dc:creator>Tam Hanna, Site Founder</dc:creator>
				<category><![CDATA[Electronics]]></category>
		<category><![CDATA[Hardware Reviews]]></category>
		<category><![CDATA[Workshops]]></category>

		<guid isPermaLink="false">http://tamspalm.tamoggemon.com/2007/07/11/aceeca-meazura-developer-module-endcaps/</guid>
		<description><![CDATA[After having looked at the Aceeca Meazura developer module a few days ago, vivomobile sent us even more Meazura goodness&#8230;aka developer module endcaps. These endcaps allow you to &#8220;cover up&#8221; your developer module and seal the Meazura back to its waterproof state. vivomobile sent us two kinds of endcaps &#8211; read on to find out <a href='http://tamspalm.tamoggemon.com/2007/07/11/aceeca-meazura-developer-module-endcaps/'>[...]</a>


Related posts:<ol><li><a href='http://tamspalm.tamoggemon.com/2007/06/27/making-sense-of-the-aceeca-rev6a-dev-module/' rel='bookmark' title='Permanent Link: Making sense of the Aceeca Rev6a dev module'>Making sense of the Aceeca Rev6a dev module</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/12/08/the-aceeca-meazura-review-the-compactflashcf-card-module/' rel='bookmark' title='Permanent Link: The Aceeca Meazura review &#8211; the CompactFlash(CF card) module'>The Aceeca Meazura review &#8211; the CompactFlash(CF card) module</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/11/21/the-aceeca-meazura-review-system-hardware/' rel='bookmark' title='Permanent Link: The Aceeca Meazura review &#8211; system hardware'>The Aceeca Meazura review &#8211; system hardware</a></li>
</ol>]]></description>
		<wfw:commentRss>http://tamspalm.tamoggemon.com/2007/07/11/aceeca-meazura-developer-module-endcaps/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Implementing a Software UART</title>
		<link>http://tamspalm.tamoggemon.com/2007/07/11/implementing-a-software-uart/</link>
		<comments>http://tamspalm.tamoggemon.com/2007/07/11/implementing-a-software-uart/#comments</comments>
		<pubDate>Wed, 11 Jul 2007 19:12:50 +0000</pubDate>
		<dc:creator>Tam Hanna, Site Founder</dc:creator>
				<category><![CDATA[Electronics]]></category>

		<guid isPermaLink="false">http://tamspalm.tamoggemon.com/2007/07/11/implementing-a-software-uart/</guid>
		<description><![CDATA[When building circuits, many peripherals accept data via a serial, RS232-style connection. Cheap micro controllers(e.g. PIC16F84A) don&#8217;t have an internal UART though&#8230;&#8221;bit banging&#8221; a port is due. Dallas Maxim has published an application note on how to implement a software UART on one of its MAX controllers; but the information is also useful for most <a href='http://tamspalm.tamoggemon.com/2007/07/11/implementing-a-software-uart/'>[...]</a>


Related posts:<ol><li><a href='http://tamspalm.tamoggemon.com/2007/01/21/accessing-sd-cards-with-a-microcontroller/' rel='bookmark' title='Permanent Link: Accessing SD cards with a microcontroller'>Accessing SD cards with a microcontroller</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/07/26/boosting-linear-regulator-output-current/' rel='bookmark' title='Permanent Link: Boosting linear regulator output current'>Boosting linear regulator output current</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/03/19/emulating-li-ion-batteries-with-a-nimh-cell/' rel='bookmark' title='Permanent Link: Emulating Li-Ion batteries with a NiMH cell'>Emulating Li-Ion batteries with a NiMH cell</a></li>
</ol>]]></description>
		<wfw:commentRss>http://tamspalm.tamoggemon.com/2007/07/11/implementing-a-software-uart/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Making sense of the Aceeca Rev6a dev module</title>
		<link>http://tamspalm.tamoggemon.com/2007/06/27/making-sense-of-the-aceeca-rev6a-dev-module/</link>
		<comments>http://tamspalm.tamoggemon.com/2007/06/27/making-sense-of-the-aceeca-rev6a-dev-module/#comments</comments>
		<pubDate>Tue, 26 Jun 2007 23:34:15 +0000</pubDate>
		<dc:creator>Tam Hanna, Site Founder</dc:creator>
				<category><![CDATA[Electronics]]></category>
		<category><![CDATA[Hardware Reviews]]></category>
		<category><![CDATA[Workshops]]></category>

		<guid isPermaLink="false">http://tamspalm.tamoggemon.com/2007/06/27/making-sense-of-the-aceeca-rev6a-dev-module/</guid>
		<description><![CDATA[Aceeca&#8217;s Meazura is especially interesting because of its MZIO slot that allows hardware to be added without significant effort. Aceeca has created a lowcost developer module to simplify development&#8230;and vivomobile sent us a few free samples. When you first get your developer module(pictured below), you will probably feel overwhelmed by the plethora of contacts and <a href='http://tamspalm.tamoggemon.com/2007/06/27/making-sense-of-the-aceeca-rev6a-dev-module/'>[...]</a>


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<li><a href='http://tamspalm.tamoggemon.com/2006/12/08/the-aceeca-meazura-review-the-compactflashcf-card-module/' rel='bookmark' title='Permanent Link: The Aceeca Meazura review &#8211; the CompactFlash(CF card) module'>The Aceeca Meazura review &#8211; the CompactFlash(CF card) module</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/11/21/the-aceeca-meazura-review-system-hardware/' rel='bookmark' title='Permanent Link: The Aceeca Meazura review &#8211; system hardware'>The Aceeca Meazura review &#8211; system hardware</a></li>
</ol>]]></description>
		<wfw:commentRss>http://tamspalm.tamoggemon.com/2007/06/27/making-sense-of-the-aceeca-rev6a-dev-module/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Accessing SD cards with a microcontroller</title>
		<link>http://tamspalm.tamoggemon.com/2007/01/21/accessing-sd-cards-with-a-microcontroller/</link>
		<comments>http://tamspalm.tamoggemon.com/2007/01/21/accessing-sd-cards-with-a-microcontroller/#comments</comments>
		<pubDate>Sun, 21 Jan 2007 22:19:04 +0000</pubDate>
		<dc:creator>Tam Hanna, Site Founder</dc:creator>
				<category><![CDATA[Electronics]]></category>

		<guid isPermaLink="false">http://tamspalm.tamoggemon.com/2007/01/21/accessing-sd-cards-with-a-microcontroller/</guid>
		<description><![CDATA[I wanted to access a SD memory card with a PIC microcontroller a long time ago, but did not find a howto or even just information on the SD card&#8217;s specification anywhere. The guys at Dallas Maxim&#8217;s have figured out a way to access SD cards without implementing the SD protocol &#8211; after all, MMC <a href='http://tamspalm.tamoggemon.com/2007/01/21/accessing-sd-cards-with-a-microcontroller/'>[...]</a>


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<li><a href='http://tamspalm.tamoggemon.com/2007/07/11/implementing-a-software-uart/' rel='bookmark' title='Permanent Link: Implementing a Software UART'>Implementing a Software UART</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2007/12/15/smart-card-interface-fundamentals/' rel='bookmark' title='Permanent Link: Smart Card Interface Fundamentals'>Smart Card Interface Fundamentals</a></li>
</ol>]]></description>
		<wfw:commentRss>http://tamspalm.tamoggemon.com/2007/01/21/accessing-sd-cards-with-a-microcontroller/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Miscellaneous electronic circuits</title>
		<link>http://tamspalm.tamoggemon.com/2006/08/15/miscellaneous-electronic-circuits/</link>
		<comments>http://tamspalm.tamoggemon.com/2006/08/15/miscellaneous-electronic-circuits/#comments</comments>
		<pubDate>Tue, 15 Aug 2006 06:17:23 +0000</pubDate>
		<dc:creator>Tam Hanna, Site Founder</dc:creator>
				<category><![CDATA[Electronics]]></category>

		<guid isPermaLink="false">http://tamspalm.tamoggemon.com/2006/08/15/miscellaneous-electronic-circuits/</guid>
		<description><![CDATA[When one wants to get back into breadboarding circuits, nothing is beter than having a collection of working circuits to get back on track. Obviously, your own ones are the best &#8211; but since most of my documentation was distroyed a few years ago, this sadly is no option for me. Tony van Roon has <a href='http://tamspalm.tamoggemon.com/2006/08/15/miscellaneous-electronic-circuits/'>[...]</a>


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<li><a href='http://tamspalm.tamoggemon.com/2006/08/15/digital-camera-histograms-explained/' rel='bookmark' title='Permanent Link: Digital camera histograms explained'>Digital camera histograms explained</a></li>
<li><a href='http://tamspalm.tamoggemon.com/2006/08/24/art-lebedevs-oled-keyboard-isnt-all-vaporware-after-all/' rel='bookmark' title='Permanent Link: Art Lebedev&#8217;s OLED keyboard isn&#8217;T all vaporware after all'>Art Lebedev&#8217;s OLED keyboard isn&#8217;T all vaporware after all</a></li>
</ol>]]></description>
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		<slash:comments>1</slash:comments>
		</item>
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