"I have the same problem.
Did you power the rail to make it work?
I confused setting as relay the port that you connect the flytron and then set CAM_TRIGG_TYPE = 0 (servo).
What is your option in BRD_PWM_COUNT?
Must the pixhawk power by battery…"
"In the X8R receiver i just connect the 3wire servo cable to a channel and in taranis i attach that channel in a 3 position switch. When the switch goes from center to up position the camera trigger. When it goes from the center to down position it…"
"from my X8R receiver i connect directly the three pins Ground , +5v, Signal.
The aux ports of pixhawk if i am correct does not supply power.
So must i use an external bec?
If so in pixhawk i must only connect the signal cable or i need Ground…"
"Steve can you help me.
I am a survey Engineer and new to pixhawk and to RC General.
I bought a second hand sony Nex 5R which already has wires connected to shutter. See the pictures. If i connect the white and the yellow cable the camera…"