hi , im wanted to add obstacle avoidance function of the drone to pixhawk . Im using 3 sonar , however i dont know how to connect them and how to write the code to display each of the sonar value , can someone please help me ? im using pixhawk ,…

Hi , im doing my school project and i faced this problem . i need to build a copter that can avoidance obstacle using pixhawk and EZ0  . However , i have no idea how to start . im using mission planner AC3.2.1 . Can anyone please share with me ?…

hi , i have connected LiDar to pixhawk AUX OUT 5 and 6 ( follow http://ardupilot.org/copter/docs/common-rangefinder-lidarlite.html ) however , my sonar-range is un-change with LiDar is moving around . may i know how to solve this problem ? The…

hi , i got Bad LiDAR Health error when i connect my  LIDAR-Lite to pixhawk . Sonarvoltage and sonarange is always zero , distance is 0 . What shall i do to make it work ?

hi , im using pixhawk and mission planner 1.3.37. Can anyone share with me how to control the altitude using sonar ? when i switch to alt hold , my copter will keep flying up , may i know why ? 

hi , may i know how to set the alt_hold with sonar in mission planner ? do i need to add any code ? if yes , may i know where to find the code ? thank you ~

hi , the distance in mission planner keep changing even i never connect sonar to APM2.6 . may i know why ? do i need a code to run the sonar MB1260 for APM2.6 ? may i know where to find the code ? and even i connect MB1260 to APM2.6 , the distance…

hi , i have connected my sonar MB1260 to apm2.6 . however , the distance change is not accurate in mission planner . what can i do ? do i need a code to allow the sonar to display accurate distance ? if yes , where can i find the code ? please help…