130mm micro FPV w/GPS build

Info and discussion about the autonomous Micro FC, suitable for nanos, micros and mini multirotors

130mm micro FPV w/GPS build

Postby sbarton » Wed Feb 04, 2015 6:40 am

Looking to build a micro 130mm CF frame with FPV and GPS. Will Probably use Micro Motor Warehouse 130mm frame, dark motors, AQ M4 FC, 100mw 1.2Ghz micro FPV setup, 500mAh or 750mAh battery, FrSky Taranis+ Tx with DSM module. Hoping range will be about 350m.

What other parts should I get? Which GPS antenna? Bluetooth? Obviously want to keep weight down to a minimum if possible.

-Scott
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Re: 130mm micro FPV w/GPS build

Postby Mullet » Wed Feb 04, 2015 7:14 am

One good choice for GPS antenna is to make a dipole antenna with half of a U.FL based coax cable. You can find info in this thread...

viewtopic.php?f=40&t=3975

For Bluetooth, the easiest way to go is with the Kisssys expansion board. Then you need the Bluetooth module itself. I got an HC-06 on eBay and bought a FTDI USB cable from 3D Robotics and re-programmed it with proper baud rate. You can buy a pre-programmed module from Viacopter or Flyduino or one from here...

http://www.readytoflyquads.com/serial-b ... figuration
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Re: 130mm micro FPV w/GPS build

Postby sbarton » Wed Feb 04, 2015 4:41 pm

Mullet wrote:For Bluetooth, the easiest way to go is with the Kisssys expansion board. Then you need the Bluetooth module itself. I got an HC-06 on eBay and bought a FTDI USB cable from 3D Robotics and re-programmed it with proper baud rate. You can buy a pre-programmed module from Viacopter or Flyduino or one from here...

http://www.readytoflyquads.com/serial-b ... figuration


Thanks for the info! Hmm, how much does everything weigh in order to add Bluetooth?
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Re: 130mm micro FPV w/GPS build

Postby LMD » Wed Feb 04, 2015 5:19 pm

I have just terminated mine:
Image

It have made it's maiden Fly yesterday evening!

I will try to shoot some videos of it soon.
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Re: 130mm micro FPV w/GPS build

Postby sbarton » Wed Feb 04, 2015 5:30 pm

LMD wrote:I have just terminated mine:
Image

It have made it's maiden Fly yesterday evening!

I will try to shoot some videos of it soon.


Awesome! That looks pretty much like what I want to build! What all are you using? Let me know how it flies.

-Scott
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Re: 130mm micro FPV w/GPS build

Postby Mullet » Wed Feb 04, 2015 9:11 pm

The Bluetooth and Kisssys boards don't add too much weight. Not sure how much. They will add to the height though. Unless you mount the Bluetooth board elsewhere or do something like this...

viewtopic.php?f=40&t=4254

The micro FPV thing with H frame interests me as well. I was looking at something from Phoenix Flight Gear...

http://www.phoenixflightgear.com/MICRO- ... _c_43.html

I'm also looking into doing a DIY micro PFV transmitter...

https://www.youtube.com/watch?v=nt6kYWbMQIM

Ideally whatever transmitter I build/use I'd like to future proof it so my goggles work with a future 250mm FPV quad.

@LMD - are you using separate batteries (one for camera/transmitter and other for M4) for this?
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Re: 130mm micro FPV w/GPS build

Postby sbarton » Wed Feb 04, 2015 9:36 pm

Mullet wrote:The Bluetooth and Kisssys boards don't add too much weight. Not sure how much. They will add to the height though. Unless you mount the Bluetooth board elsewhere or do something like this...

viewtopic.php?f=40&t=4254

@LMD - are you using separate batteries (one for camera/transmitter and other for M4) for this?


So are they using the Kisssys board or soldering directly to the M4 w/o Kisssys board? Hard to tell in the pics and thread.

I plan on using an seperate 100mAh battery to power camera and 100mw 1.3ghz vtx.
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Re: 130mm micro FPV w/GPS build

Postby Mullet » Wed Feb 04, 2015 9:44 pm

Yup that's the only way to attach Bluetooth. Either with an expansion board or this way...

http://autoquad.org/wiki/wiki/m4-microc ... onnection/
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Re: 130mm micro FPV w/GPS build

Postby LMD » Wed Feb 04, 2015 11:08 pm

Yes i use separate batteries for the moment.
It fly very well, it's very stable. I'm using the ladybird v2 parameters file, my first attempt at creating a dedicated XML file for it didn't gave me good result. Have to learn more...
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Re: 130mm micro FPV w/GPS build

Postby Mullet » Thu Feb 05, 2015 12:33 am

LSM - what frame are you using? Also, what is the FPV gear?
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