"Quattro has built in BEC, usually I disable the volt & ground cable, just the 4 signals wire plug into APM board, so the power come from original 3DR power module."

"@John : The LED already on solid green before he take off the TBS, everything ok on 1st flight, disaster happen on 2nd flight, change the battery, wait until solid green led & home lock, and boom..weird!He always doing compass dancing every time…"

"Beware of "fly away" issues...last week I saw my friend's TBS going crazy, fly away and lost..(the pilot not noob, compass dancing every time before he take off on the new spot)..total lost $950 without GoPro, blaahh! :(
I think those FC has built…"

"Nice Video, more photo / video details on gimbal installation it wud be great! :D"