XCSoar
The XCSoar vario, fed by (1) the Kalman Filter estimated pressure derivative (2) the vertical speed estimated by finite difference-ing the altitude estimate from the Kalman filter (the current approach). There's still noise and some lag, but doing it the right way works a bit better...
Pressure measurements from the BMP180 sensor in a Galaxy Nexus phone.
Pressure measurements from the BMP180 sensor in a Galaxy Nexus phone.
XCSoar is a tactical glide computer for glider pilots, paragliders and hanggliders.
You need waypoints, airspaces and a map file on the SD card. Read
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You need waypoints, airspaces and a map file on the SD card. Read