Originally Posted by Magnetron1
You must ensure that around mag there is no high power cable such as esc supply cable or esc motor cable. Under and upper mag you must not put gps module. You must have 5-6 cm around mag fully empty! No metal no cable no gps no esc no battery... nothing.
If you want to have immersive experience of stable fly search in the config.h file the moving averaging on gyro setting that I have implemented on the multiwii and enable it, put vector lenght at about 6 or 8, and try.
Give me your feedback.
after reading your answer, have i testing:
1. without turn on the motors only Flydumega with sensor, the same problem
2. i have build in 6cm distans betwin ESC's, the same problem, see the picture
If i set calibration MAG flashes the green LED on mega quickly, after 20 seconds going the LED off see the video