LibrePilot Forum

Users => Vehicles - MultiRotors => Topic started by: sigrana on July 02, 2016, 12:17:15 pm

Title: CC3D running octocopters?
Post by: sigrana on July 02, 2016, 12:17:15 pm

I was just working the PID's on my H6 hexacopter in OpenPilot, when I clicked on the choice and I SAW OCTOCOPTER X, V8 etc.etc......???? Is this real? How can a 6 motors FC run 8 motors? Can anyone inform me, please? I will appreciate any inforrmation about this. Thank you in advance.

Cheers from Bruno

Title: Re: CC3D running octocopters?
Post by: f5soh on July 02, 2016, 12:24:58 pm

You can find others output in flexiIO port (receiver port)

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

This means you should use the flexiPort for PPM input if you need it, and set the receiver port as Output.
You cannot use PWM input (all wires) and additional output in receiver port.

Title: Re: CC3D running octocopters?
Post by: sigrana on July 19, 2016, 06:47:48 am

Thank you indeed, but I do not know how to do this. Which extra wires do I connect from the CC3D to my Graupner GR-18L receiver? What do I do after that? Thank you in advance.

Quote from: f5soh on July 02, 2016, 12:24:58 pm

You can find others output in flexiIO port (receiver port)

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

This means you should use the flexiPort for PPM input if you need it, and set the receiver port as Output.
You cannot use PWM input (all wires) and additional output in receiver port.

Title: Re: CC3D running octocopters?
Post by: f5soh on July 19, 2016, 11:43:29 am

You do no need extra wires between the receiver and board... with octo, hexa or quad the stick functions are the same. Throttle/Pitch/Roll/Yaw and flightmode.

The FlexiIO port (receiver port) provides the extra motor output needed for octo, in fact you cannot still use the PWM input, all wires connected to the receiver.

Using a GR18 the only option is use the Next branch (developer branch) that support Hott SumD
https://forum.librepilot.org/index.php?topic=1910.0

(https://forum.librepilot.org/index.php?action=dlattach;topic=1932.0;attach=3674)

Title: Re: CC3D running octocopters?
Post by: sigrana on July 26, 2016, 03:21:09 am

My apologies, I made a mistake. My receiver is the GR-16L (not 18L).
I am still confused, please be patient with me. You said I can not use the PWM. How do I set everything, then? I do not have any idea. At present, I am using one of my CC3Ds fro my V6 hexacopter, but it appears that I will be able to use one for my V8 octocopter as well. Would you mind to tell me exactly how to connect to the flexy port the two extra motors and if i can leave six motors on PWM or which system do I have to use? Thank you in advance.

Quote from: f5soh on July 19, 2016, 11:43:29 am

You do no need extra wires between the receiver and board... with octo, hexa or quad the stick functions are the same. Throttle/Pitch/Roll/Yaw and flightmode.

The FlexiIO port (receiver port) provides the extra motor output needed for octo, in fact you cannot still use the PWM input, all wires connected to the receiver.

Using a GR18 the only option is use the Next branch (developer branch) that support Hott SumD
https://forum.librepilot.org/index.php?topic=1910.0

(https://forum.librepilot.org/index.php?action=dlattach;topic=1932.0;attach=3674)

Title: Re: CC3D running octocopters?
Post by: f5soh on July 26, 2016, 12:08:46 pm

The only input option that do not allow extra outputs in FlexiIO (the receiver port) is PWM input.
The Next branch support HotSum input and allow to connect your GR-16 to the FlexiPort (4 pin port)

I cannot explain better, sorry.