from uasvision.com Panoptes UAV, a Cambridge, Massachusetts-based start-up, has created a system that uses echolocation to help small quadcopters avoid collisions. The product, the eBumper, contains acoustic sensors that work outdoors, indoors and in all weather conditions, said Terrence McKenna, chief executive officer. Currently, the system is only available for the DJI … [Read more...] about Sense-and-Avoid System for Hobby Quadcopters