To see what sort of power is given to the pixhawk when using the "provided" switching supply I place an oscilloscope to actually see what was going in.
Here it is:
Well I rather use a linear LDO than this. (But that is just me :-) )
Wanting to switches modes on APM or PX4 is really not intuitive using two switches on your transmitter. You need to have a switch with 3 positions and another with two positions. (2x3=6) modes.
I thought I would design a more "human" or "intuitive" el