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+Title: Free software car computer solution?
+Tags: english
+Date: 2014-05-29 18:45
+
+<p>Dear lazyweb.  I'm planning to set up a small Raspberry Pi computer
+in my car, connected to
+<a href="http://www.dx.com/p/400a-4-0-tft-lcd-digital-monitor-for-vehicle-parking-reverse-camera-1440x272-12v-dc-57776">a
+small screen</a> next to the rear mirror.  I plan to hook it up with a
+GPL and a USB wifi card too.  The idea is to get my own
+"<a href="http://en.wikipedia.org/wiki/Carputer">Carputer</a>".  But I
+wonder if someone already created a good free software solution for
+such car computer.</p>
+
+<p>This is my current wish list for such system:</p>
+
+<ul>
+
+ <li>Work on Raspberry Pi.</li>
+
+ <li>Show current speed limit based on location, and warn if going too
+   fast (for example using color codes yellow and red on the screen,
+   or make a sound).  This could be done either using either data from
+   <a href="http://www.openstreetmap.org/">Openstreetmap</a> or OCR
+   info gathered from a dashboard camera.</li>
+
+ <li>Track automatic toll road passes and their cost, show total spent
+   and make it possible to calculate toll costs for planned
+   route.</li>
+
+ <li>Collect GPX tracks for use with OpenStreetMap.</li>
+
+ <li>Automatically detect and use any wireless connection to connect
+   to home server.  Try IP over DNS
+   (<a href="http://dev.kryo.se/iodine/">iodine</a>) or ICMP
+   (<a href="http://code.gerade.org/hans/">Hans</a>) if direct
+   connection do not work.</li>
+
+ <li>Set up mesh network to talk to other cars with the same system,
+   or some stanard car mesh protocol.</li>
+
+ <li>Warn when approaching speed cameras and speed camera ranges
+   (speed calculated between two cameras).</li>
+
+ <li>Suport dashboard/front facing camera to discover speed limits and
+   run OCR to track registration number of passing cars.</li>
+
+</ul>
+
+<p>If you know of any free software car computer system supporting
+some or all of these features, please let me know.</p>