[aprssig] Cool new sensor
steve at dimse.com
Tue Mar 24 20:31:44 EDT 2015
On Mar 24, 2015, at 6:30 PM, Mark Cheavens <mcheavens at usa.net> wrote:
> 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..........
> (and of course we have pressure and temp)....Now how can we make it reliable and in balance...
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.
Even without wind, $29 for wireless temp, humidity, and pressure isn't bad as weather stations go!
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