![DIY Arduino Helicopter with Obstacle Avoidance | Arduino Blog | Quadcopter, Drone business, Drone quadcopter DIY Arduino Helicopter with Obstacle Avoidance | Arduino Blog | Quadcopter, Drone business, Drone quadcopter](https://i.pinimg.com/originals/6e/b8/a8/6eb8a8eb0de1fa34735e4b7eca0e65b6.jpg)
DIY Arduino Helicopter with Obstacle Avoidance | Arduino Blog | Quadcopter, Drone business, Drone quadcopter
![I've got this old drone (2015 parrot airborne cargo drone) with what I assume is an ultrasonic sensor for altitude detection on the bottom. How is this possible with only one “”eye””? : r/arduino I've got this old drone (2015 parrot airborne cargo drone) with what I assume is an ultrasonic sensor for altitude detection on the bottom. How is this possible with only one “”eye””? : r/arduino](https://preview.redd.it/1lv65xzoqu381.jpg?width=1080&crop=smart&auto=webp&s=bfb72bca847e83355da664ca44deb813d23c2187)
I've got this old drone (2015 parrot airborne cargo drone) with what I assume is an ultrasonic sensor for altitude detection on the bottom. How is this possible with only one “”eye””? : r/arduino
![Electronics | Free Full-Text | An Embedded Platform for Positioning and Obstacle Detection for Small Unmanned Aerial Vehicles Electronics | Free Full-Text | An Embedded Platform for Positioning and Obstacle Detection for Small Unmanned Aerial Vehicles](https://www.mdpi.com/electronics/electronics-09-01175/article_deploy/html/images/electronics-09-01175-g009.png)
Electronics | Free Full-Text | An Embedded Platform for Positioning and Obstacle Detection for Small Unmanned Aerial Vehicles
![element14 celebrates Project14 birthday and Arduino Day with a new design competition and live Arduino workshop - Electronics Maker element14 celebrates Project14 birthday and Arduino Day with a new design competition and live Arduino workshop - Electronics Maker](https://electronicsmaker.com/wp-content/uploads/2021/03/NanodroneII.jpg)