<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>I have an arduino sensing voltages and sending to com port </div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Now to make a packet<br><br><div>-----------------------------</div>Sent from my iPhone<div>Andrew Rich</div><div><a href="mailto:vk4tec@tech-software.net">vk4tec@tech-software.net</a></div><div><a href="http://www.tech-software.net">www.tech-software.net</a></div><div>0419 738 223</div></div><div><br>On 14 May 2016, at 00:38, Robert Bruninga <<a href="mailto:bruninga@usna.edu">bruninga@usna.edu</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 14 (filtered medium)"><style><!--
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--></style><div class="WordSection1"><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><div><div style="border:none;border-top:solid #b5c4df 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 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 href="mailto:aprssig@tapr.org">aprssig@tapr.org</a><br><b>Subject:</b> [aprssig] Telemetry</span></p></div></div><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></div>
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