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6 <title>Petter Reinholdtsen: entries from May
2014</title>
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15 <a href=
"http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen
</a>
22 <h3>Entries from May
2014.
</h3>
26 <a href=
"http://people.skolelinux.org/pere/blog/Free_software_car_computer_solution_.html">Free software car computer solution?
</a>
32 <p>Dear lazyweb. I'm planning to set up a small Raspberry Pi computer
33 in my car, connected to
34 <a href=
"http://www.dx.com/p/400a-4-0-tft-lcd-digital-monitor-for-vehicle-parking-reverse-camera-1440x272-12v-dc-57776">a
35 small screen
</a> next to the rear mirror. I plan to hook it up with a
36 GPS and a USB wifi card too. The idea is to get my own
37 "
<a href=
"http://en.wikipedia.org/wiki/Carputer">Carputer
</a>". But I
38 wonder if someone already created a good free software solution for
39 such car computer.</p>
41 <p>This is my current wish list for such system:</p>
45 <li>Work on Raspberry Pi.</li>
47 <li>Show current speed limit based on location, and warn if going too
48 fast (for example using color codes yellow and red on the screen,
49 or make a sound). This could be done either using either data from
50 <a href="http://www.openstreetmap.org/
">Openstreetmap</a> or OCR
51 info gathered from a dashboard camera.</li>
53 <li>Track automatic toll road passes and their cost, show total spent
54 and make it possible to calculate toll costs for planned
57 <li>Collect GPX tracks for use with OpenStreetMap.</li>
59 <li>Automatically detect and use any wireless connection to connect
60 to home server. Try IP over DNS
61 (<a href="http://dev.kryo.se/iodine/
">iodine</a>) or ICMP
62 (<a href="http://code.gerade.org/hans/
">Hans</a>) if direct
63 connection do not work.</li>
65 <li>Set up mesh network to talk to other cars with the same system,
66 or some standard car mesh protocol.</li>
68 <li>Warn when approaching speed cameras and speed camera ranges
69 (speed calculated between two cameras).</li>
71 <li>Suport dashboard/front facing camera to discover speed limits and
72 run OCR to track registration number of passing cars.</li>
76 <p>If you know of any free software car computer system supporting
77 some or all of these features, please let me know.</p>
83 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/english
">english</a>.
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