Helifar H803 -A $20 drone with obstacle avoidance
The Helifar H803 is a unique little quadcopter and a bargain for about $20. It is a small ducted drone a lot like one of our favorites, the Eachine E011. However, it has built-in sensors for obstacle avoidance. This little drone is a refreshing new take on an old design. Right now you can get one …
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