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prunkdump / arduino-variometer

Arduino based variometer with accelerometer, screen, gps and sdcard code
GNU General Public License v3.0
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Outdated Readme #24

Open Hasi123 opened 5 years ago

Hasi123 commented 5 years ago

Hi, please update the readme file. There is no documentation on how to calibrate the magnetometer without an SD card. I tried to update my simple vario with the BMP280/MPU9250 with your latest updates, but it didn't work.

Does the magnetometer make any real-world difference?

prunkdump commented 5 years ago

Hi !

You're right ! But as the magnetometer is not really used actually, I don't have taken the time to update the README.

The target feature is wind speed/direction detection.

To use the calibratiion sketch move the variometer in many directions. Each time you have a new direction you have a beep. When there is to much time without new direction recorded the variometer make three beeps signaling that the calibration is done.

I keep your issue.