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<font size="-1"><font face="Comic Sans MS">Another option is to use
the mike / earphone jack. PocketDigi does this with Windows
Mobile. You can connect to a xcvr to do sound card digital
modes. <br>
<br>
I think timing would be a challenge with the magnetometer. My
game Galactic Patrol: Zap GPS uses the compass and gravity
sensors. You position the phone to shoot down GPS satellites.
The sensors don't respond all that quickly on my G1 phone and
the response is pretty sloppy and dependent on what else is
running on the phone. They are useful for their purpose but
transferring signals isn't one of those purposes. <br>
</font></font>
<div class="moz-signature"><font color="#000080" face="Comic Sans
MS">
<br>
- 73 - <br>
<b> Rud Merriam K5RUD<br>
Emergency Coordinator<br>
<i> <a href="http://www.wa5eoc.org/">Montgomery County ARES<font
size="2">®</font></a> </i> <br>
</b> <i> <a href="http://mysticlakesoftware.com/">Mystic Lake
Software</a><br>
</i>
</font></div>
<br>
On 6/8/2011 1:16 PM, Scott Miller wrote:
<blockquote cite="mid:4DEFBC61.3070200@opentrac.org" type="cite">On
6/6/2011 3:17 PM, Rud Merriam wrote:
<br>
<blockquote type="cite">I am thinking of working on an Android
based APRS HUD. Originally it
<br>
will be for phones but later be put on tablets. I know there are
a
<br>
</blockquote>
<br>
I just got a Droid X2, so I've been thinking about what I could do
with it for APRS. I'm going to work on adding Bluetooth support
to the Tracker2, but it looks like it's going to be relatively
expensive and possibly a little clunky with the pairing and such,
not to mention the power consumption.
<br>
<br>
But a hack I saw online the other day gave me an idea - they were
feeding data into a Droid phone with a simple electromagnet coil,
using the phone's magnetometer to read it. Seems like that might
be a cheap and easy way to build a cradle for an Android-based HUD
to receive data from a TNC.
<br>
<br>
Scott
<br>
N1VG
<br>
<br>
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