Hi I managed to make my first pxfmini quadcopter and am planning to do some autonomous flight with ROS once I get altitude stabilization working.
My understanding is that pxfmini runs arducopter code compiled for raspberry pi and i2c connector on pxfmini support same sensors that work on arducopter. So I bought I2CXL-MaxSonar-EZ4 or MB1242 sensor, the exact sensor described, and connected those together on 2nd i2c port on pxf mini and selected 2nd option, maxbotixI2C, and it works... by outputing 320 almost all the time?? The hardware seems to be working. I can hear sonar sensor vibrating.
- Is there additional setting to configure on mission planner (GCS software) other than ardupilot wiki page describes that is needed to get sonar working?
- Can I offset the values output by the sonar on mission planner?
- Can I change the table of how ardupilot converts i2c digital signal into height information? Make it more sensitive etc?
Also if you have experience with this particular sensor like calibration procedure (maybe?) please help me get it working. Thanks.