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	<title>Avoidable Glitches &#8211; Sergio R. Caprile&#039;s Home Page</title>
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	<link>http://www.scaprile.com</link>
	<description>... the fundamental things apply, as time goes by.</description>
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		<title>El extraño caso de la placa que se rehusaba a apagarse</title>
		<link>http://www.scaprile.com/2021/11/16/el-extrano-caso-de-la-placa-que-se-rehusaba-a-apagarse/</link>
					<comments>http://www.scaprile.com/2021/11/16/el-extrano-caso-de-la-placa-que-se-rehusaba-a-apagarse/#respond</comments>
		
		<dc:creator><![CDATA[scaprile]]></dc:creator>
		<pubDate>Tue, 16 Nov 2021 22:29:55 +0000</pubDate>
				<category><![CDATA[Avoidable Glitches]]></category>
		<category><![CDATA[del ingeniero]]></category>
		<category><![CDATA[embeddedtips]]></category>
		<guid isPermaLink="false">http://www.scaprile.com/?p=537</guid>

					<description><![CDATA[Esto ocurrió hace un tiempo, en una galaxia no muy distante, donde muchos hombres han ido anteriormente. Con un colega habíamos diseñado un circuito de encendido para un instrumento portátil alimentado a pilas, bastante simple: un MOSFET cierra el circuito puenteando el pulsador de encendido cuando el microcontrolador inicializa y configura el pin, como puede &#8230; <a href="http://www.scaprile.com/2021/11/16/el-extrano-caso-de-la-placa-que-se-rehusaba-a-apagarse/" class="more-link">Continue reading <span class="screen-reader-text">El extraño caso de la placa que se rehusaba a apagarse</span></a>
<p><a href="http://www.scaprile.com/2021/11/16/el-extrano-caso-de-la-placa-que-se-rehusaba-a-apagarse/" rel="nofollow">Source</a></p>]]></description>
		
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			</item>
		<item>
		<title>This power supply used to power itself off</title>
		<link>http://www.scaprile.com/2021/08/19/this-power-supply-used-to-power-itself-off/</link>
					<comments>http://www.scaprile.com/2021/08/19/this-power-supply-used-to-power-itself-off/#respond</comments>
		
		<dc:creator><![CDATA[scaprile]]></dc:creator>
		<pubDate>Thu, 19 Aug 2021 17:14:16 +0000</pubDate>
				<category><![CDATA[Avoidable Glitches]]></category>
		<category><![CDATA[del ingeniero]]></category>
		<category><![CDATA[hardware]]></category>
		<category><![CDATA[pcb design]]></category>
		<guid isPermaLink="false">http://www.scaprile.com/?p=500</guid>

					<description><![CDATA[Everything started with a phone call, one of my clients had just got a complaint from one of his retail buyers, this device had been freezing and remaining unresponsive, having to be power cycled to recover. Since these appliances were directly attached to the mains power when installed, this required operating on the switch breaker &#8230; <a href="http://www.scaprile.com/2021/08/19/this-power-supply-used-to-power-itself-off/" class="more-link">Continue reading <span class="screen-reader-text">This power supply used to power itself off</span></a>
<p><a href="http://www.scaprile.com/2021/08/19/this-power-supply-used-to-power-itself-off/" rel="nofollow">Source</a></p>]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>La fuente de alimentación que se apagaba sola</title>
		<link>http://www.scaprile.com/2021/08/12/la-fuente-de-alimentacion-que-se-apagaba-sola/</link>
					<comments>http://www.scaprile.com/2021/08/12/la-fuente-de-alimentacion-que-se-apagaba-sola/#respond</comments>
		
		<dc:creator><![CDATA[scaprile]]></dc:creator>
		<pubDate>Thu, 12 Aug 2021 19:47:36 +0000</pubDate>
				<category><![CDATA[Avoidable Glitches]]></category>
		<category><![CDATA[del ingeniero]]></category>
		<category><![CDATA[hardware]]></category>
		<category><![CDATA[pcb design]]></category>
		<guid isPermaLink="false">http://www.scaprile.com/?p=495</guid>

					<description><![CDATA[Todo empezó con un llamado telefónico, mi cliente había recibido una queja de un usuario final que había comprado el producto y decía que se quedaba congelado, que no respondía a los controles, que debía desconectarlo y volverlo a conectar. Siendo un producto empotrado y directamente conectado a la red domiciliaria de 220V, esto significaba &#8230; <a href="http://www.scaprile.com/2021/08/12/la-fuente-de-alimentacion-que-se-apagaba-sola/" class="more-link">Continue reading <span class="screen-reader-text">La fuente de alimentación que se apagaba sola</span></a>
<p><a href="http://www.scaprile.com/2021/08/12/la-fuente-de-alimentacion-que-se-apagaba-sola/" rel="nofollow">Source</a></p>]]></description>
		
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			</item>
		<item>
		<title>Brightness greed causes LEDs to let the fumes out</title>
		<link>http://www.scaprile.com/2021/08/02/brightness-greed-causes-leds-to-let-the-fumes-out/</link>
					<comments>http://www.scaprile.com/2021/08/02/brightness-greed-causes-leds-to-let-the-fumes-out/#respond</comments>
		
		<dc:creator><![CDATA[scaprile]]></dc:creator>
		<pubDate>Mon, 02 Aug 2021 17:47:03 +0000</pubDate>
				<category><![CDATA[Avoidable Glitches]]></category>
		<category><![CDATA[del ingeniero]]></category>
		<guid isPermaLink="false">http://www.scaprile.com/?p=490</guid>

					<description><![CDATA[This happened more than a decade ago. At that time we had very few information on LEDs, which were becoming ubiquitous in lighting applications at a fast pace. By then, besides what the locals call R&#38;D, I was also in charge of the tech support team. This customer approached us with a strong claim: the &#8230; <a href="http://www.scaprile.com/2021/08/02/brightness-greed-causes-leds-to-let-the-fumes-out/" class="more-link">Continue reading <span class="screen-reader-text">Brightness greed causes LEDs to let the fumes out</span></a>
<p><a href="http://www.scaprile.com/2021/08/02/brightness-greed-causes-leds-to-let-the-fumes-out/" rel="nofollow">Source</a></p>]]></description>
		
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			</item>
		<item>
		<title>El extraño caso de los LEDs supernova</title>
		<link>http://www.scaprile.com/2021/08/02/el-extrano-caso-de-los-leds-supernova/</link>
					<comments>http://www.scaprile.com/2021/08/02/el-extrano-caso-de-los-leds-supernova/#respond</comments>
		
		<dc:creator><![CDATA[scaprile]]></dc:creator>
		<pubDate>Mon, 02 Aug 2021 17:16:04 +0000</pubDate>
				<category><![CDATA[Avoidable Glitches]]></category>
		<category><![CDATA[del ingeniero]]></category>
		<guid isPermaLink="false">http://www.scaprile.com/?p=470</guid>

					<description><![CDATA[Esta historia de avaricia de brillo ocurrió hace más de una década. Para esas fechas no teníamos mucha información sobre los LEDs, que se estaban volviendo rápidamente moneda corriente en aplicaciones de iluminación de todo tipo. Por ese entonces, además de ser el equipo de desarrollo (lo que en estas tierras llamamos R&#38;D), yo tenía &#8230; <a href="http://www.scaprile.com/2021/08/02/el-extrano-caso-de-los-leds-supernova/" class="more-link">Continue reading <span class="screen-reader-text">El extraño caso de los LEDs supernova</span></a>
<p><a href="http://www.scaprile.com/2021/08/02/el-extrano-caso-de-los-leds-supernova/" rel="nofollow">Source</a></p>]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>The strange case of the board that refused to power down</title>
		<link>http://www.scaprile.com/2021/07/14/the-strange-case-of-the-board-that-refused-to-power-down/</link>
					<comments>http://www.scaprile.com/2021/07/14/the-strange-case-of-the-board-that-refused-to-power-down/#respond</comments>
		
		<dc:creator><![CDATA[scaprile]]></dc:creator>
		<pubDate>Wed, 14 Jul 2021 22:24:21 +0000</pubDate>
				<category><![CDATA[Avoidable Glitches]]></category>
		<category><![CDATA[del ingeniero]]></category>
		<category><![CDATA[embeddedtips]]></category>
		<guid isPermaLink="false">http://www.scaprile.com/?p=448</guid>

					<description><![CDATA[This happened a while ago, in a galaxy not so far away, and where many men have gone before. Me and this colleague had designed this simple power-on circuit for a portable battery-powered instrument; where a MOSFET bypassed the power-on push button after the microcontroller started, as can be seen in the following diagram. To &#8230; <a href="http://www.scaprile.com/2021/07/14/the-strange-case-of-the-board-that-refused-to-power-down/" class="more-link">Continue reading <span class="screen-reader-text">The strange case of the board that refused to power down</span></a>
<p><a href="http://www.scaprile.com/2021/07/14/the-strange-case-of-the-board-that-refused-to-power-down/" rel="nofollow">Source</a></p>]]></description>
		
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