"I have one of these PDB boards and it won't supply power to my Pixhawk through the PM port. You mentioned that the pins were reversed. What did you mean by that? Which pins are reversed? Do you have a diagram of the proper pins?"
"I have exactly the same problem. I think there is something incompatible with BlHeli and Pixhawk. I tried running Pixhawk with EMAX Blheli ESC's and Sunrise Opto Blheli ESC's and nothing happens. I know the ESC's are working because they are fine…"