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<channel>
	<title>Random notes &#38; other stuff...</title>
	<atom:link href="http://leucos.lstilde.org/wp/feed/" rel="self" type="application/rss+xml" />
	<link>http://leucos.lstilde.org/wp</link>
	<description>...about Linux, electronics, digital photography, whatever...</description>
	<pubDate>Sun, 14 Dec 2008 12:38:52 +0000</pubDate>
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	<language>en</language>
			<item>
		<title>Fixing &#8216;IPSEC(initialize_sas): Invalid Proxy IDs&#8217; with dynamic VPNs</title>
		<link>http://leucos.lstilde.org/wp/2008/12/fixing-ipsecinitialize_sas-invalid-proxy-ids-with-dynamic-vpns/</link>
		<comments>http://leucos.lstilde.org/wp/2008/12/fixing-ipsecinitialize_sas-invalid-proxy-ids-with-dynamic-vpns/#comments</comments>
		<pubDate>Mon, 08 Dec 2008 23:49:23 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[network]]></category>

		<category><![CDATA[acl]]></category>

		<category><![CDATA[cisco]]></category>

		<category><![CDATA[dynamic vpn]]></category>

		<category><![CDATA[ios]]></category>

		<category><![CDATA[ipsec]]></category>

		<category><![CDATA[vpn]]></category>

		<guid isPermaLink="false">http://leucos.lstilde.org/wp/?p=176</guid>
		<description><![CDATA[Dynamic VPNs is a Cisco feature that makes a central router accept VPN establishment without specifying a peer or an ACL for the SA.
The configuration is very simple (even simpler than normal, statically specified tunnels) so when the tunnel doesn&#8217;t come up, it is quite frustrating.
And when you get &#8216;IPSEC(initialize_sas): Invalid Proxy IDs&#8217;, meaning SA [...]]]></description>
		<wfw:commentRss>http://leucos.lstilde.org/wp/2008/12/fixing-ipsecinitialize_sas-invalid-proxy-ids-with-dynamic-vpns/feed/</wfw:commentRss>
		</item>
		<item>
		<title>WRT54G/GS/GL Relay Mod</title>
		<link>http://leucos.lstilde.org/wp/2008/09/wrt54ggsgl-relay-mod/</link>
		<comments>http://leucos.lstilde.org/wp/2008/09/wrt54ggsgl-relay-mod/#comments</comments>
		<pubDate>Sat, 27 Sep 2008 18:35:18 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[electronics]]></category>

		<category><![CDATA[projects]]></category>

		<category><![CDATA[mods]]></category>

		<category><![CDATA[wrt]]></category>

		<guid isPermaLink="false">http://leucos.lstilde.org/wp/?p=50</guid>
		<description><![CDATA[Sometimes, it could be handy if your router (in this case, a WRT54G) could restart the device that connects it to the internet. For instance, if your ADSL modem needs some reboot or your cable modem needs a kick, having the WRT to do this would be nice.
This could be especially useful if the modem+router [...]]]></description>
		<wfw:commentRss>http://leucos.lstilde.org/wp/2008/09/wrt54ggsgl-relay-mod/feed/</wfw:commentRss>
		</item>
		<item>
		<title>Cisco serial cable pinout</title>
		<link>http://leucos.lstilde.org/wp/2008/09/cisco-serial-cable-pinout/</link>
		<comments>http://leucos.lstilde.org/wp/2008/09/cisco-serial-cable-pinout/#comments</comments>
		<pubDate>Sat, 27 Sep 2008 16:55:30 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[electronics]]></category>

		<category><![CDATA[cable]]></category>

		<category><![CDATA[cisco]]></category>

		<category><![CDATA[db9]]></category>

		<category><![CDATA[serial]]></category>

		<guid isPermaLink="false">http://leucos.lstilde.org/wp/?p=42</guid>
		<description><![CDATA[Here is the pinout for the standard Cisco serial console cable (DB9 - RJ45) like this one.
Note that DCD(1) and RI(9) are not wired.
This cable is quite handy when doing µcontroller stuff. Just put a RJ45 socket on your PCB our get a breakout board from Sparkfun and you can plug and unplug at will [...]]]></description>
		<wfw:commentRss>http://leucos.lstilde.org/wp/2008/09/cisco-serial-cable-pinout/feed/</wfw:commentRss>
		</item>
		<item>
		<title>Nikon D50/D70 IR remote control</title>
		<link>http://leucos.lstilde.org/wp/2008/09/nikon-d50d70-ir-remote-control/</link>
		<comments>http://leucos.lstilde.org/wp/2008/09/nikon-d50d70-ir-remote-control/#comments</comments>
		<pubDate>Sat, 27 Sep 2008 16:45:46 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[electronics]]></category>

		<category><![CDATA[projects]]></category>

		<category><![CDATA[video]]></category>

		<category><![CDATA[d50]]></category>

		<category><![CDATA[infrared]]></category>

		<category><![CDATA[nikon]]></category>

		<category><![CDATA[remote]]></category>

		<guid isPermaLink="false">http://leucos.lstilde.org/wp/?p=29</guid>
		<description><![CDATA[The Project
After chasing the idea of building a remote for my D50, I found this really interesting page with all you need (especially the IR timing) to get your remote up and running.
But using a AtTiny2313 for this leaves a lot of room to play with. So I made an enhanced version with a 7-segments [...]]]></description>
		<wfw:commentRss>http://leucos.lstilde.org/wp/2008/09/nikon-d50d70-ir-remote-control/feed/</wfw:commentRss>
		</item>
		<item>
		<title>Maxim DS1803 Digital Potentiometer</title>
		<link>http://leucos.lstilde.org/wp/2008/09/maxim-ds1803-digital-potentiometer/</link>
		<comments>http://leucos.lstilde.org/wp/2008/09/maxim-ds1803-digital-potentiometer/#comments</comments>
		<pubDate>Sat, 27 Sep 2008 15:13:17 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[chips]]></category>

		<category><![CDATA[electronics]]></category>

		<category><![CDATA[digital]]></category>

		<category><![CDATA[ds1803]]></category>

		<category><![CDATA[potentiometer]]></category>

		<guid isPermaLink="false">http://leucos.lstilde.org/wp/?p=23</guid>
		<description><![CDATA[http://www.nearfuturelaboratory.com/2008/07/07/ds1803-digital-potentiometer/

]]></description>
		<wfw:commentRss>http://leucos.lstilde.org/wp/2008/09/maxim-ds1803-digital-potentiometer/feed/</wfw:commentRss>
		</item>
		<item>
		<title>Texas Instruments TLC2554ID</title>
		<link>http://leucos.lstilde.org/wp/2008/09/texas-instruments-tlc2554id/</link>
		<comments>http://leucos.lstilde.org/wp/2008/09/texas-instruments-tlc2554id/#comments</comments>
		<pubDate>Sat, 27 Sep 2008 15:12:47 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[chips]]></category>

		<category><![CDATA[electronics]]></category>

		<category><![CDATA[adc]]></category>

		<category><![CDATA[tlc2554]]></category>

		<guid isPermaLink="false">http://leucos.lstilde.org/wp/?p=20</guid>
		<description><![CDATA[Product page

]]></description>
		<wfw:commentRss>http://leucos.lstilde.org/wp/2008/09/texas-instruments-tlc2554id/feed/</wfw:commentRss>
		</item>
		<item>
		<title>File copy snippets</title>
		<link>http://leucos.lstilde.org/wp/2008/09/file-copy-snippets/</link>
		<comments>http://leucos.lstilde.org/wp/2008/09/file-copy-snippets/#comments</comments>
		<pubDate>Sat, 27 Sep 2008 15:12:04 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[sysadmin]]></category>

		<category><![CDATA[copy]]></category>

		<category><![CDATA[linux]]></category>

		<category><![CDATA[nc]]></category>

		<category><![CDATA[rsync]]></category>

		<category><![CDATA[ssh]]></category>

		<category><![CDATA[tar]]></category>

		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://leucos.lstilde.org/wp/?p=17</guid>
		<description><![CDATA[Useful file copy snippets collection for systems administration.  scp is not here : syntax is trivial, and scp is really slow. The snippets below are supposed to be much faster, especially when dealing with many small files.
netcat style

On sender :

cd to the top dir to be copied recursively, and :
tar cv . &#124; nc [...]]]></description>
		<wfw:commentRss>http://leucos.lstilde.org/wp/2008/09/file-copy-snippets/feed/</wfw:commentRss>
		</item>
		<item>
		<title>Calculate internal battery resistance</title>
		<link>http://leucos.lstilde.org/wp/2008/09/calculate-internal-battery-resistance/</link>
		<comments>http://leucos.lstilde.org/wp/2008/09/calculate-internal-battery-resistance/#comments</comments>
		<pubDate>Sat, 27 Sep 2008 15:11:31 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[electronics]]></category>

		<category><![CDATA[battery]]></category>

		<category><![CDATA[resistance]]></category>

		<guid isPermaLink="false">http://leucos.lstilde.org/wp/?p=14</guid>
		<description><![CDATA[Battery internal resistance forms a divider with external load.
So to calculate internal resistance, take those steps :

measure the battery voltage without  load (Vnoload)
measure again with a resistor of RloadΩ  attached (the lower ohm value, the better, but watch outfor power ratings !), you have a difference with previous measurement (Vdrop)

The battery internal resistance [...]]]></description>
		<wfw:commentRss>http://leucos.lstilde.org/wp/2008/09/calculate-internal-battery-resistance/feed/</wfw:commentRss>
		</item>
		<item>
		<title>Vidéo snippets</title>
		<link>http://leucos.lstilde.org/wp/2008/09/video-snippets/</link>
		<comments>http://leucos.lstilde.org/wp/2008/09/video-snippets/#comments</comments>
		<pubDate>Sat, 27 Sep 2008 15:09:21 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[sysadmin]]></category>

		<category><![CDATA[video]]></category>

		<category><![CDATA[dvgrab]]></category>

		<category><![CDATA[ffmpeg]]></category>

		<category><![CDATA[mencoder]]></category>

		<guid isPermaLink="false">http://leucos.lstilde.org/wp/?p=8</guid>
		<description><![CDATA[Few usefull video snippets.
Grabbing from DV cam, autosplitting scenes :
dvgrab -- autosplit -timestamp  –format=dv2 video
Deinterlacing :
ffmpeg -i in-dv.avi -deinterlace -vcodec huffyuv -pix_fmt yuv422p -target pal-dvd out.avi
Flv encoding :
ffmpeg -i input.avi -ar 22050 -ab 64 -aspect 4:3 -b 768k -pass 1 -f flv -s 640x480 -acodec mp3 output.flv
then again with -pass 2.
Another solution :
mencoder out.avi [...]]]></description>
		<wfw:commentRss>http://leucos.lstilde.org/wp/2008/09/video-snippets/feed/</wfw:commentRss>
		</item>
		<item>
		<title>Microchip MCP23S08</title>
		<link>http://leucos.lstilde.org/wp/2008/09/microchip-mcp23s08/</link>
		<comments>http://leucos.lstilde.org/wp/2008/09/microchip-mcp23s08/#comments</comments>
		<pubDate>Sat, 27 Sep 2008 15:07:27 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[chips]]></category>

		<category><![CDATA[electronics]]></category>

		<category><![CDATA[mcp23s08]]></category>

		<category><![CDATA[microchip]]></category>

		<category><![CDATA[port expander]]></category>

		<guid isPermaLink="false">http://leucos.lstilde.org/wp/?p=5</guid>
		<description><![CDATA[This chip is a 8-bits port expander driven by SPI (or I2C for MCP23008 version).
Microchip MCP23S08 datasheet
]]></description>
		<wfw:commentRss>http://leucos.lstilde.org/wp/2008/09/microchip-mcp23s08/feed/</wfw:commentRss>
		</item>
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