"For our photo missions we have set the default to "never change heading" rather than the "point at next waypoint".
Does the ROI still reset after a waypoiint if you have the default set to never change heading?"
"It depends on what you are powering from the APM.
If you are running no servo outputs, ie : no servo pan and tilt, servo release or servo control of anything. then no, you don't need anything else.
The power Module is sufficient for the APM and…"
"There is definitely a serial port connection problem in the latest release.
I found I could install the firmware through APM Planner using USB but that was all.
I could not establish a connection to do any configuring nor get any data for the flight…"
"The strange traces in the log are beyond my humble understanding, but it does all seem to start with spikes on the Vcc. Then everything seems to go pear shaped.
Your Vcc starts dropping after the spikes at 2min down to about 3v. Not good.