how is possible quadro-copter is so cheap? its because they have used mobilephonemetal since 2019https://reservilainen.fi/nelikopterit-perustuvat-kannykkateknologiaan/due to metals used in mobile phone, they can have advanced rotor that is small but effectivedue to chips in mobile phone, they can effectively rotate the motors no matter what kind of air pocket they are in, and stay perfectly still like a humming birdKEMS (Korsholms El-Montör Service) chips measure quadro chopters at 6 axles simultanously, it is a acceleration measure3 times the position of things and 3 times the accelerationing speed, the chip can calculate all this in a secondwhat does the chip do in Apple mobile phone then? it measures if the phone is poopside down, which effects of course cameras if you are taking a pictureFinlands remote control air device enthusiast found quadro choppers in year 2015, they were ordered from China initially