alec(at)alecmyers.com
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 Posted: Sun Oct 22, 2017 12:19 pm Post subject: Arduino project |
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This is probably of more interest to the aerodynamicists than the avionics people, but I built a data logger around a BNO055 orientation sensor and a BMP280 pressure sensor, an Adafruit Feather M0 datalogger (Arduino with built-in microSD slot), GPS module and LCD screen. It records GPS position and altitude, pressure altitude, ground speed, acceleration, heading, pitch and roll angles, and some other miscellaneous bits, twice every second.
I used it to get data for some experiments in spiral dive instability and the following phugoid (if you don’t damp it out yourself) in the recovery.
All the modules have code libraries already written, so putting the software together was quite easy.
One thing I found helpful was to have a display so I could log the sequence number whenever I began a test or manoeuvre. Saved scrolling through reams of data over a thirty minute flight to find the 60 seconds I wanted.
[img]cid:B78742FE-3678-497A-A088-799B1F5D0A31(at)lan[/img]
[img]cid:460F8D8F-1F7D-403A-BC94-8094269F33D0(at)lan[/img]
[img]cid:F4828303-0B5F-4038-BABE-C9A1448F0E4F(at)lan[/img]
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