@Dennison wrote:
Hi, I am a beginner here. I am trying to install a rangefinder to my pixhawk so that it can determine the altitude much precise below 2m range. The sonar sensor I am using is HC SR-04 ultrasonic sensor. The other rangefinder sensors that are supported by arducopter are too expensive for me. Since I am a beginner, I want to experiment with the cheaper rangefinder sensor. However, my problem is I dunno where to start or where should I alter or add codes to the arducopter codes that I cloned from the GitHub. I am planning to connect the sensor through i2c port. Anyone has any experience in getting this to work or know the solution to this, please guide me and point me in the right direction. I have studied the arducopter codes for a week but I am still lost. I really appreciate your help.
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