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My OpenPilot PipX copter transmitter :-)


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#1 Felix Da Cat

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Posted 15 September 2012 - 09:06 PM

Just remember, if anyone else tries this, that this is (at best) beta firmware. The worst that should happen is that the quad would fall out of the sky when failsafe kicks in, if the firmware locks up, or if the link is dropped, but you should assume that anything can happen.
-Brian-

Hi Guys,

Brian was helping me over days via PM getting startet with the PipX setup as transmitter module, thanks again for talking me through.

The firmware: Attached File  fw_pipxtreme.opfw   61.44KB   21 downloads for the PipX works totally awesome!

Hardware setup:

Attached File  IMG_0245.JPG   507.98KB   303 downloads
(from the bottom: PipX, CC3D, GPS optional)

Attached File  IMG_0246.JPG   623.17KB   359 downloads
(CC3D flexiport connected PipX, CC3D Mainport connected to GPS)

Attached File  IMG_0247.JPG   605.75KB   411 downloads
(flysky 9x(same as turnigy 9x) with smartieparts board and er9x firmware and PipX on top)

Attached File  IMG_0251.JPG   60.19KB   449 downloads
(connect the PipX via flexiport to the transmitter)

Attached File  IMG_0252.png   1.35MB   347 downloads
(the PipX takes 10V. maximum so please don't use the standard battery pack or a 3s lipo unless you use a voltage regulator)
Attached File  IMG_0241.JPG   710.5KB   299 downloads
(i bought a 2s lipo that.. so no problem with to high voltage, this will only work with alternative firmware(er9x) because you can not change the low voltage alarm on the stock firmware (9V.))

Software setup:

- Flash Brian's firmware from above for both PipX via GCS and USB cable.

- Settings for PipX that is mounted on the transmitter.
Attached File  Bildschirmfoto 2012-09-12 um 11.25.34.png   39.9KB   277 downloads

- Settings for PipX that is mounted on the copter.
Attached File  Bildschirmfoto 2012-09-12 um 11.26.17.png   41.04KB   284 downloads

- Connect CC3D via USB to GCS and set HWsettings as shown in the picture (GPS optional on Mainport)
Attached File  Bildschirmfoto 2012-09-12 um 11.26.28.png   49.88KB   220 downloads

If you plug in the PipX on the transmitter via USB to GCS and connect power to your copter, you should get a connection to the CC3D via PipX.
Also you should get the PPM signal from the transmitter.

Now you should be able to Configure your copter as always, going through the wizard and everything... and you are ready to fly.

Thanks everyone in the OP team for making this possible... this will be my new little testplatform :)


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#2 AlPackin

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Posted 15 September 2012 - 09:44 PM

very nice, congratulations to both Felix and Brian, great job!

#3 Felix Da Cat

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Posted 15 September 2012 - 09:51 PM

Without Brian i wouldn't be able to make this happen. Day after day he emailed me back and giving great support. It was totally worth at the end... for me at least :D

also thanks to dankers bringing out the prototype a while ago...

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#4 Snagglesworth

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Posted 15 September 2012 - 09:52 PM

Congratulations Felix, is that a Milestone?? :)
Looks very nice and good to see Pipx doing both Control and Telemetry.
And a big thank you to Brian for all his hard work on the Pipx firmware. :wub:
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#5 Brian

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Posted 15 September 2012 - 10:24 PM

Nice write up, and I'm glad it worked well for you.

Just remember, if anyone else tries this, that this is (at best) beta firmware. The worst that should happen is that the quad would fall out of the sky when failsafe kicks in, if the firmware locks up, or if the link is dropped, but you should assume that anything can happen.

#6 Felix Da Cat

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Posted 15 September 2012 - 10:34 PM

i'll ad this to the first post.. if you find any mistakes or want to ad something somewhere feel free

btw forgot to mention... i armed the copter, so it went to the min. value that i configure in the outputs. Then i gave some throttle but not enough to lift of and then i turned off the transmitter.. the copter went back to the min value. this is good to know that it will not fly away full throttle when i lose the link

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#7 Guest_dankers_*

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Posted 15 September 2012 - 11:05 PM

Milestone awarded, well done on getting a free pair of OPLink Mini's as well. Just remind me I said that, they are a week or so off yet and I will forget! They work off 3S no issue so that is solved.

You have no idea how important this is Felix with the OPLink coming very soon.

It's you, Brian and Pip that gets the credit here, I had very little to do with this and I'm so impressed. Please please be careful.

#8 K Wells

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Posted 15 September 2012 - 11:42 PM

Clean work Felix.....Nice Flyer ;)
Looking Forward to the Maiden

#9 Felix Da Cat

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Posted 15 September 2012 - 11:54 PM

Thanks... i didn't really plan to try out the telemetry thing.. it just came in my mind to give it a go and document what happens :D

3s on the OPLink is nice because you don't need to change anything for stock transmitter.

But i will convert all my transmitter to 2s because the electronics only need around 5V. so 3s is just a waste of energy

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#10 Guest_dankers_*

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Posted 16 September 2012 - 12:04 AM

You could also feed telemetry in to the 9X directly, the PipX has the main serial port to use so you could go PipX to modified 9X, just depend on what the 9X supports, might just be simple strings.

This would need PipX code support of course.

Another option is using BT from the PipX to the laptop to save using USB.

#11 Felix Da Cat

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Posted 16 September 2012 - 12:15 AM

thats what came into my mind too...

or even a nice android phone/tablet attached to the transmitter.. so no need for the laptop :)

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#12 Hyper

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Posted 16 September 2012 - 01:20 AM

Nice job! It's good when a plan comes together. :)

#13 Hayvosh

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Posted 16 September 2012 - 10:21 AM

Wow, really nice Felix and Brian! Very impressive!

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#14 jes1111

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Posted 16 September 2012 - 01:46 PM

Fantastic - well done Felix, Brian, Dave (and Pip) :ph34r: - definitely Ninja-level stuff!

Regarding range testing - if you set both modems to a lower MaxRFPower (I see it goes down to 1.25mW) how well does that scale in assessing maximum range at full power?
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#15 FlyLite

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Posted 16 September 2012 - 03:52 PM

Very, Very Impressive!
Can't wait to see this all released - the Next Step in our hobby for sure, Forged forwards by Openpilot!
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#16 nick_a

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Posted 16 September 2012 - 06:52 PM

With dacat's great instructions and all the hard work put in by the team i was able to get my pipx Tx up and running this morning, hopefully i will get to fly it sometime this week.

Posted Image

Posted Image

Another option is using BT from the PipX to the laptop to save using USB.


is this something that will also need to be coded? Had a go but had no luck getting it working.

#17 Felix Da Cat

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Posted 16 September 2012 - 07:20 PM

you have to enable the telemetry port(TelemetryConfig) in the pipx that is mounted on the transmitter to 'UAVTalk'... in my instructions it is disabled.
i could be wrong so be very careful.. but that is how i would try it.

good luck... and nice to see other converting too :)

always test with caution!

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#18 nick_a

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Posted 16 September 2012 - 07:44 PM

I tried uavtalk and serial, neither one seems to work though it could be user error. additionally the usb link will not work till the telemetry port is set to disabled again. Certainly not complaining, just wondering if it was possible now or will be further down the line.

Again great work guys, i cant wait to test it.

#19 BayAreaCrasher

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Posted 16 September 2012 - 07:49 PM

brilliant work guys! if I ever get one of these thingies, I'm going to mod it so that it fits inside a spare module for my Futaba 9C. That way it will be nice and clean in the back :)

#20 Jake Bullit

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Posted 16 September 2012 - 07:58 PM

Nice work:
^_^