This post is part of the Hands on Robot Design series.有关机械、电气、运动控制、计算、传感器等的信息，请参阅此处查看帖子/主题的完整列表http://robotsforroboticists.com/hands-on-ground-robot–drone-design-series。 The drones designed for the DARPA SubT challenge needed to be great at flying through tunnels and exploring unknown subterranean e
