[etopsflight]

Guys

Building a quad and using an OrangeRx R615X receiver under CPPm protocol but cannot get the LibrePilot Transmitter setup wizard to recognise my radio. What connector pin should the white wire be going to on the CC3D? Thanks!

Etops

[f5soh]

Take a look here:
https://librepilot.atlassian.net/wiki/display/LPDOC/CC+Hardware+Configuration#CCHardwareConfiguration-ReceiverPort

Depends what PPM you choose in Hardware tab, PPM_Pin8 is prefered.

[etopsflight]

f5soh

Thanks, I found that too and have switched the White wire to pin #8 but still no joy. Motors still jittery when main battery power supplied and no input from transmitter after completing setup.

Any further advice you can give?

Cheers
Etops

[f5soh]

Post pictures that show how you wired the Receiver and config file.

[etopsflight]

f5soh

sorry for the late reply,been busy with work.

Refer enclosed photos.


Today i built another 250 quad today, almost the exact same but using PWN to rx. Setup was a breeze but the transmitter does not control the motors at all, seems no control. Don't know what's wrong!

Cheers
Etops

cheers
Etops

[f5soh]

Motors still jittery when main battery power supplied

Looks like there is another issue around, you should not have this motor jitter.

Config file: File > Export UAV settings

[etopsflight]

is this it?

[f5soh]

No issue with your config file.

Double check how is powered the board, try apply power to the output connector.
Measure voltage.

You can monitor receiver activity in System tab > Data > ReceiverActivity

[etopsflight]

f5soh

I did have problems with the PDB, swapping it for another at the moment. I had to solder two step down voltage controllers to the board without instructions and got one wrong and it fried with smoke and some flames!

I resoldered in the right orientation. I used another smaller PDB stacked under my CC3D to provide power to Rx.

The new PDB is the same, motors still jittery

Etops

[f5soh]

Out of ideas.

Double check your setup, that a hardware issue for sure.

[etopsflight]

f5soh

Thanks for your help.

Cheers
Etops

[etopsflight]

f5soh

i found that to stop the motor jitter, i had to turn down the low range setting around 900us.

i am wondering if this is the only/correct solution to this problem. i have noticed that on power up, motor 1 lacks the others slightly but seems ok in flight however i've only flown a few seconds in my tiny living room.

anybody else out there with the jitters?

etops