<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1427245437529_2560"> </div><div dir="ltr" id="yui_3_16_0_1_1427245437529_2561">HA HA Put it on a flexible "pole". The wind will 'push' it in one direction... sort of.</div><div dir="ltr">73, Steve K9DCI </div><br> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1427245437529_2574"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1427245437529_2573"> <div dir="ltr" id="yui_3_16_0_1_1427245437529_2572"> <hr SIZE="1"> <font id="yui_3_16_0_1_1427245437529_2571" size="2" face="Arial"> <b><span style="font-weight: bold;">From:</span></b> Steve Dimse <steve@dimse.com><br> <b id="yui_3_16_0_1_1427245437529_2570"><span style="font-weight: bold;" id="yui_3_16_0_1_1427245437529_2569">To:</span></b> TAPR APRS Mailing List <aprssig@tapr.org> <br> <b id="yui_3_16_0_1_1427245437529_2576"><span style="font-weight: bold;" id="yui_3_16_0_1_1427245437529_2575">Sent:</span></b> Tuesday, March 24, 2015 7:31 PM<br> <b id="yui_3_16_0_1_1427245437529_2578"><span style="font-weight: bold;" id="yui_3_16_0_1_1427245437529_2577">Subject:</span></b> Re: [aprssig] Cool new sensor<br> </font> </div> <div id="yui_3_16_0_1_1427245437529_2579" class="y_msg_container"><br><br clear="none">On Mar 24, 2015, at 6:30 PM, Mark Cheavens <<a href="mailto:mcheavens@usa.net" shape="rect" ymailto="mailto:mcheavens@usa.net">mcheavens@usa.net</a>> wrote:<br clear="none"><br clear="none">> So we stick in a weather vane, spin the device with a "prop" and use the accelerometer to measure wind speed, the magnetometer to measure wind direction..........<br clear="none">> (and of course we have pressure and temp)....Now how can we make it reliable and in balance...<br clear="none">> <br clear="none">Or maybe hang it from a string and measure the motion as it rocks back and forth. The amplitude would be proportional to the wind speed and the plane it rocks in would would probably be good for direction, though there would be 180 degree ambiguity. Maybe the swing would be a bit higher when downwind. <br clear="none"><br clear="none">Even without wind, $29 for wireless temp, humidity, and pressure isn't bad as weather stations go!<div class="qtdSeparateBR"><br><br></div><div id="yqtfd98194" class="yqt6538398639"><br clear="none"><br clear="none">Steve K4HG<br clear="none">_______________________________________________<br clear="none">aprssig mailing list<br clear="none"><a href="mailto:aprssig@tapr.org" shape="rect" ymailto="mailto:aprssig@tapr.org">aprssig@tapr.org</a><br clear="none"><a href="http://www.tapr.org/mailman/listinfo/aprssig" shape="rect" target="_blank">http://www.tapr.org/mailman/listinfo/aprssig</a><br clear="none"></div><br><br></div> </div> </div> </div></body></html>