Volo collaudo del Racing drone taglia 250. http://www.emporiodroni.com/it/multicottero-pronti-fatto-volo-collaudo/248-racing-drone-carbonio-tarot-250.html
INAV altitude hold test – Omnibus F4 Pro V2. Please refer http://www.rcindia.org/multirotors/210-(lisam-ls-210)-mini-quadcopter-with-cc3d-atom-build-log/msg292610/#msg292610 for full …