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I got this working. I found that the F4 boards cannot use PWM4 for the servo, but rather you have to use PWM5 located in this pic: https://static.rcgroups.net/forums/attachments/6/4/8/3/4/3/t9618654-216-thumb-December 19, 2016 105835 AM PST.jpg?d=1482174582

the only thing I need help with now is getting the tail servo to move. I need to know how to map it to pwm5

Ok yea, that seemed to work! Now to get my tail servo working.... I have movement in the motors tab but I think since I have the F4 board, that I have to wire it to the smart port next to the motor output pins. TRI OMNIBUS (BF3.1) Notes - RC Groups

No worries. I have something else you may be able to help me with... I am not able to get my tri to arm. I have reset my rxrange to make all the channels 1000, 1500, 2000 yet I still cant get it to arm. In the Modes tab, I see the bar going into my area, but its not lighting up.

hello all! I am in the final staged of getting my tri build finished and I need some help. I am needing to set up the tail rotor servo so the craft can yaw. I have watched several videos but none of them really pertained to my build. I know I need to enter some resource commands to map the...

I was able to get rx working by reflashing the firmware, and flipping through the uart ports until UART 1 worked. I have movement in the rx tab now!

Yea, I have done that and verified that it hasnt changed between reboots. UART6 is on, Spek Sat 2048. No movement in the RC

I just found in the documentation that I should be using UART6 and enter "resource inverter 6 c9" into the cli. It looked like the mapping was already there, but I saved and rebooted anyway and I still dont have any signal coming through.

Hey, great video! I have the same board and I want to use the spek sat port... Is that not possible? I read where you soldered your wires but I was hoping for something more native. I followed your video and though I have my rx bound, I see no movement in the Receiver tab. I switched through all...