- Posts: 32
Fatshark headtracker in Devo 8S?
19 Apr 2015 18:06 - 20 Apr 2015 11:14 #31376
by luenma
Replied by luenma on topic Fatshark headtracker in Devo 8S?
Still it does not work 
I am using the set-up indicated in the attached document. But I cannot see anything in the channels 9 and 10 when I move my goggles. Again I have checked the cable with the oscilloscope and I see the channels 5 and 6 change when I move the goggles, so the problem is inside the transmitter or in the set-up. Or maybe in the procedure to turn on the transmitter before or after turn on the googles...
I have the connectors as the attached document, so GND and ppm as indicated in the photo. I suppose that is the correct way to do it...
Thanks and regards
Note: I have deleted the attachments in this message because as indicated in my message below they were wrong.
I am using the set-up indicated in the attached document. But I cannot see anything in the channels 9 and 10 when I move my goggles. Again I have checked the cable with the oscilloscope and I see the channels 5 and 6 change when I move the goggles, so the problem is inside the transmitter or in the set-up. Or maybe in the procedure to turn on the transmitter before or after turn on the googles...
I have the connectors as the attached document, so GND and ppm as indicated in the photo. I suppose that is the correct way to do it...
Thanks and regards
Note: I have deleted the attachments in this message because as indicated in my message below they were wrong.
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19 Apr 2015 19:37 #31381
by luenma
Replied by luenma on topic Fatshark headtracker in Devo 8S?
Yes, I get reaction on the other channels. The tx power is set to the minimum because I am testing at home, so it is not needed more power.
I check also the channels in the channel monitor and there is not any reaction in the channels 9 and 10.
I use PPM port in Phoenix and it works correctly, so I assume the hardware is ok. The other point is if the 3.5mm connector configuration I have indicated in the attachment is the correct one. And if the setting is also correct, then I do not have any idea about what is wrong
I check also the channels in the channel monitor and there is not any reaction in the channels 9 and 10.
I use PPM port in Phoenix and it works correctly, so I assume the hardware is ok. The other point is if the 3.5mm connector configuration I have indicated in the attachment is the correct one. And if the setting is also correct, then I do not have any idea about what is wrong
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19 Apr 2015 20:16 - 19 Apr 2015 20:20 #31386
by Wene001
Replied by Wene001 on topic Fatshark headtracker in Devo 8S?
Played around with "Channel" PPMin settings
Switch none doesnt work for me.
Try to set a switch (and switch it on
) and assign PPM 5 to Ch9 and PPM 6 to Ch10
Then it should showe movement in Channel Monitor.
With this setup mixer for Ch9 and Ch10 is not used.
i would prefer to use "Extend" Setting for PPMin and use the mixer that you showed in the PDF above.
as shown here
www.deviationtx.com/forum/search?query=ppmin&childforums=1
i am using ppm signal on tip of the headphone jack, but i think deviation could handle both variants of signal
Switch none doesnt work for me.
Try to set a switch (and switch it on
) and assign PPM 5 to Ch9 and PPM 6 to Ch10Then it should showe movement in Channel Monitor.
With this setup mixer for Ch9 and Ch10 is not used.
i would prefer to use "Extend" Setting for PPMin and use the mixer that you showed in the PDF above.
as shown here
www.deviationtx.com/forum/search?query=ppmin&childforums=1
i am using ppm signal on tip of the headphone jack, but i think deviation could handle both variants of signal
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20 Apr 2015 09:37 - 20 Apr 2015 09:39 #31408
by linux-user
On the 3,5mm audio jack shouldn't there be signal at the middle pin and GND at the outside?
Replied by linux-user on topic Fatshark headtracker in Devo 8S?
Are you sure the polarity is right?luenma wrote: Still it does not work
I have the connectors as the attached document, so GND and ppm as indicated in the photo. I suppose that is the correct way to do it...
Attachment not found
On the 3,5mm audio jack shouldn't there be signal at the middle pin and GND at the outside?
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20 Apr 2015 11:08 #31409
by luenma
Replied by luenma on topic Fatshark headtracker in Devo 8S?
Finally it is solved
First, the polarity on the 3.5mm connector was not correct as you have indicated. I followed the polarity indicated in www.deviationtx.com/forum/model-configs/...tshark-head-tracking , but it seems it is not correct at least for my Devo 8S. The correct polarity in my case is ppm at the middle pin and GND at the outside as indicated in the new attachment.
Second, as indicated by Wene001 "PPM In" does not work in my case with "Channel", but with "Extend". So, finally my configuration is as indicated in the new attachment. I have also added the upper trims as you can see in the second page, so I can use the headtracker or/and the trims.
Thank you very much TomPeer, Weneoo1 and linux-user for your help!
First, the polarity on the 3.5mm connector was not correct as you have indicated. I followed the polarity indicated in www.deviationtx.com/forum/model-configs/...tshark-head-tracking , but it seems it is not correct at least for my Devo 8S. The correct polarity in my case is ppm at the middle pin and GND at the outside as indicated in the new attachment.
Second, as indicated by Wene001 "PPM In" does not work in my case with "Channel", but with "Extend". So, finally my configuration is as indicated in the new attachment. I have also added the upper trims as you can see in the second page, so I can use the headtracker or/and the trims.
Thank you very much TomPeer, Weneoo1 and linux-user for your help!
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07 Oct 2021 07:52 #77594
by jamiedg
Replied by jamiedg on topic Fatshark headtracker in Devo 8S?
Many thanks for all the info here.
Managed to use this to get my Fatshark Attitude v4 working with the Devo10.
Cable was exact same as stated. I used an old S-video cable that had the 4-pin din connector.
Mapped 5-6 to source ppm 5-6, was then able to see the movement being detected on the DevoTx channel monitor.
Great thing about the Attitude v4 is it has a built in tracker
One thing that caught me out at first was when you set the PPM input to Extend, press ENT to get the PPMcfg menu and check the Num of channels are set to 8.
Thanks again, J
Managed to use this to get my Fatshark Attitude v4 working with the Devo10.
Cable was exact same as stated. I used an old S-video cable that had the 4-pin din connector.
Mapped 5-6 to source ppm 5-6, was then able to see the movement being detected on the DevoTx channel monitor.
Great thing about the Attitude v4 is it has a built in tracker
One thing that caught me out at first was when you set the PPM input to Extend, press ENT to get the PPMcfg menu and check the Num of channels are set to 8.
Thanks again, J
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- Fatshark headtracker in Devo 8S?