I'm building a Tarot-680Pro with 3DR Pixhawk and I will be using a Fatuba T8FG Radio, And I'm going to be setting up S-Bus, will the FrSky X8R Receiver work with the T8FG Radio without anymore hardware, connected to PixHawk ?
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It's my understanding some s bus receivers work with the pixhawk without the converter and some don't. I know I read that somewhere 6 months ago or so. I had good luck with Futaba's R6303SB it worked without the converter. I have since transitioned to Taranis stuff if you want to buy my old Futaba receiver PM I'd be happy to mail it to ya cheap I have two of them and won't be using either one now. But even if you do need the convertor it's a very lightweight item and still only one wire. A huge improvement over 4-6 wires!!!
http://copter.ardupilot.com/wiki/common-pixhawk-and-px4-compatible-...
Futaba Transmitter Compatible With Futaba S-Bus Receivers
Support for Futaba SBUS is not fully implemented, although some receivers do work at this time, including Futaba R6303SB.
Connect the SBUS receiver to the PPM input, not the adjacent SBUS output.
They say some receivers do work, so before you get a R6303SB try out the receiver you have see if all the channels work, which can be,seen during radio calibration.
And you are right about the FrSky TFR8SB - 8 to 16 Channel FASST Compatible Receiver having s-bus capability. I would drop an email to Scott at http://www.alofthobbies.com/ just to make sure.
Hi Guys; I am running a Futaba R7008SB with S-Buss on my T14SG and no problems with my quad, However when I load the Y6 firmware and try to run my Y6 multi I cannot get anything to function properly. When I arm the motors I get about 400 rpm (guess) and nothing else. That is until change from Loiter to RTL. When I change to RTL all 6 motors run up to max rpm. Anyone have a guess as to what this might be? Yes I did take each ESC through it setup for min and max throttle settings. Everything works until I plug back into the Pixhawk. This guy worked like a charm in my NAZA F450 quad. But now it just seams to be not working like a charm... Also did I miss something in setup? I going back to check...
NumnutChriS, on his YouTube channel has converted/hacked several Futaba radios to run the Frsky TX modules and he say he has even done the T8FG - copy/paste from -http://www.hobbyking.com/hobbycity/store/product_discussion.asp?idp...
-Reply from NumnutChriS (529 points);
No, as your Tx does not have any module. (It is possible to use it but requires some work, Ive put FrSky in 4EXA, 6EX (FASST), 7C (FASST), 8FG, 10C and some Hitec and car TX-es)
Give NumnutChriS a point.
-Reply from NWflyer (5 points);
you will need to use the diy kit and mount it inside the transmitter, requirs a bit of handywork and a soldering iron but should work fine. many youtube videos showing these conversions
Give NWflyer a point.
Go to Frsky-rc and check out their receiver offerings, they have several FASST compatible receivers, not sure if they have s-bus though.
I use a Futaba 9C with a Frsky module and a Frsky Taranis so no issues with the X8R, is has become my goto Frsky receiver. One of which is paired to a 3DR Pixhawk, another two to APM 2.5 and 2.6.
Good luck buddy.
I have a OuadCopter that I use a R6208SB S-Bus receiver that is attached by Velcro, so I guess will have to swap between my Quad and my new Tarot 680 Pro Hexacopter to use S-Bus on the Pixhawk.
My Quadcopter has a ZeroUAV-Gemini Flight controller that also works with S-Bus.
I would not recommend the ZeroUAV flight controllers to anyone, their tech support is lousy and documentation is mostly written in Chinese, and hard to find in English. it is on the same level as Pixhawk is for flying. Youtube doesn't have much on ZeroUAV-Gemini controller as does Pixhawk.
But thanks guys for your help, it has been very informative.
Oh by the way guys, can anyone direct me to a website, that would give me info on setting up Throttle Failsafe for Pixhawk on a Fatuba T8FG.
Thanks again.
"If the failsafe clears (i.e. transmitter and receiver regain contact) the copter will remain in its current flight mode. It will not automatically return to the flight mode that was active before the failsafe was triggered."
fyi this is an important difference between using the pix hawk to decide what to do in a TX single loss and the receiver deciding. If you use your receiver to go into a channel preset FS arrangement instead of just 'no pulses' then it WILL simply go back into the flight mode it was in when it regains TX signal. If this is auto and it's out of sight you risk the possibility of it going back and forth between FS and good signal until the battery runs out and it crashes and you'd never know. Of course there are other settings to make the above not true but the risk is there. No pulses from your RX on TX signal loss and the pixhawk takes over is far batter I think.
I'm a little confused about what your saying, that is because my lack of understanding about the Pix hawk.
My settings on the T8FG for the ZeroUav-Gemini on my QuadCopter is steup in Fail Safe as;
Channel 3 - THR - ON - +0%
So if Throttle is set at 0% that actually means the throttle on the Copter is at half way up to full throttle.
on my T8FG -100 - +0 - +100
Throttle all the way down is +100
Throttle half way up is 0
Throttle all the way up is -100
With these settings if the copter looses signal with TX it will Return Home
Opps I though the T8FG was the receiver. however...
Whatever radio you use the receiver connected to the pixhawk will have to go no pulses or really low [ throttle FS ] on ch 3 THAT will then set the pixhawk into it's FS settings which you do via the wiki link above. What Futaba receiver are you using?
The radio is the T8FG
The Fatuba receiver is a R6208SB , SB stands for S-Bus
I sure going to have fun setting up my T8FG Radio to work PixHawk.
I missed your post on the Wiki, thanks much, Very Informative.
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