obstacle avoidance

Obstacle avoidance is a relatively new feature on drones. It is long needed update because of the areas most people fly in: trees, structures and the occasional power line. Best of all, obstacle avoidance can be a good protector for anyone considering the drone to be an investment. Here is one...

I'm going to buy the new GoPro Hero 5 with the Karma grip and gimbal for £600. I was going to buy the Karma drone as well for an extra £400 but I'm disappointed there's no follow-me or obstacle avoidance. Are there any alternatives for around £400 or <£400 with follow-me and obstacle avoidance...

http://www.roboticstrends.com/article/watch_mit_drone_autonomously_avoids_obstacles_at_30_mph/Drones http://www.csail.mit.edu/drone_flies_through_forest_at_30_mph And it is opensource, here is the code if you want some for yourself hahahaha. https://github.com/andybarry/flight