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<p>Or a Hall Effect current sensor.</p>
<p>Jim</p>
<p><br>
</p>
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<div class="moz-cite-prefix">On 5/13/2016 10:38 AM, Robert Bruninga
via aprssig wrote:<br>
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<p class="MsoNormal"><span style="color:#1f497d">TInytrack-4 has
5 analog input channels and a telemetry beacon. A 10k/2.4k
voltage divider for the volts channel will give you the
Volts in tenths (up to 25.5 volts). Reasonably enough.</span></p>
<p class="MsoNormal"><span style="color:#1f497d">Current either
needs a current chip or you can do something with a
transistor to amplify the voltage drop across a shunt.</span></p>
<p class="MsoNormal"><span style="color:#1f497d"> </span></p>
<p class="MsoNormal"><span style="color:#1f497d">Bob, WB4APR</span></p>
<p class="MsoNormal"><span style="color:#1f497d"> </span></p>
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1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
aprssig [mailto:<a moz-do-not-send="true"
href="mailto:aprssig-bounces@tapr.org">aprssig-bounces@tapr.org</a>]
<b>On Behalf Of </b>Andrew Rich via aprssig<br>
<b>Sent:</b> Friday, May 13, 2016 7:49 AM<br>
<b>To:</b> <a moz-do-not-send="true"
href="mailto:aprssig@tapr.org">aprssig@tapr.org</a><br>
<b>Subject:</b> [aprssig] Telemetry</span></p>
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<p class="MsoNormal"> </p>
<p class="MsoNormal">Hello</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Need a hand – have a 10 GHz beacon we would
like to add telemetry to </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">+ Temp</p>
<p class="MsoNormal">+ Current</p>
<p class="MsoNormal">+ Volts </p>
<p class="MsoNormal">+ RF 1</p>
<p class="MsoNormal">+ RF 2</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Suggestions ?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Opentracker ?</p>
<p class="MsoNormal">TinyTrak ?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Want to send telem packet </p>
<p class="MsoNormal"> </p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l0 level1 lfo2"><span
style="mso-list:Ignore">-<span style="font:7.0pt "Times
New Roman""> </span></span>Andrew -</p>
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