You can use the MP hardware sonar selector to "enable" the sonar, but not to select a particular sonar when setting up an IR sonar for the ArduRover.
What you need to do to configure your IR sonar is to go to the Advanced Parameter…"
"Hello Tom, I am a NOOB to all of this so, I am sorry I cannot answer your question. I had the same problem as you "throttle still seems to go to full when I switch to Auto" and u4eake explained to me why it was acting the way…"
"Comment by Jean-Louis Naudin on June 13, 2012 at 12:16pm Hello,I have just updated the APMrover 2.20 to 2.20a with a small tuning about obstacles avoidance with the Shap sensor. If the TRACE is ENABLED you will see in the planner message that the…"
"Hello, I cannot answer the first question and I had asked about Max Throttle in the Discussion forum. This is the answer I received;
Comment by u4eake on August 10, 2012 at 3:57am There are 2 parameters that influence this, cause I…"
"Thank you u4eake, it worked great. Would that same logic work on Throttle_min? If I set throttle_min to 50 would that mean no throttle? I believe it was set to zero at default. Again thank you very much for your help.
"Hello,I have a Traxxas Slash 4X4 with an ArduPilot Mega 2.0 and a Sharp IR distance sensor for obstacle avoidance. I have no issues running my rover from my RC controler but when I switch to Auto my rover takes off at full speed. After watching…"
"Hello eake,You said "I have removed the compass heading calc out of the if statement, so that it gets executed with every update_gps call and now my gps is responding crisp in mission planner, wether the gps had fix or not. The heading in…"