Music used: https://machinimasound.com/music/ Licensed under Creative Commons Attribution 4.0 International (http://creativecommons.org/licenses/by/4.0/) 480mm ??
My first copter build with Raspberry Pi 2 and Emlid NAVIO2: https://hackaday.io/project/16352-my-first-copter-build-with-rpi2-and-emlid-navio2 ESCs instruction: …