Flight Recorder "on the cheap"

Router, repeater (extender), GPS unit, antenna, tablet, FPV goggle, HD battery, charger, carrying case... etc.
Jayson Hanes
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Re: Flight Recorder "on the cheap"

Post by Jayson Hanes » 09 Nov 2013, 18:35

I just unplug and re-plug the GPS until it works. It seems to have that same ungrounded shield issue as some plain USB memory sticks... sometimes it does take longer than 15 minutes to get a lock for me, though (ie. into use of a 2nd battery I almost always have a lock)

bretcobrageek
Ready for take off
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Joined: 26 Sep 2013, 01:09
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Re: Flight Recorder "on the cheap"

Post by bretcobrageek » 09 Nov 2013, 22:32

Well, I tried it again and rebooted the drone about 4 times over about 20 minutes. Still 0 Satellites. Has anyone managed to get this working with a Navistick LE? Any other suggestions?

Carl190_1
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Re: Flight Recorder "on the cheap"

Post by Carl190_1 » 10 Nov 2013, 21:44

Windows Drivers

When I try to download these drivers from you site all I can download is:

Flight_Recorder_Installer_x64 655 KB

What about the other files?

What am I missing?

Thanks,

Carl

bretcobrageek
Ready for take off
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Joined: 26 Sep 2013, 01:09
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Re: Flight Recorder "on the cheap"

Post by bretcobrageek » 11 Nov 2013, 07:05

Thanks Jayson. I went through 3 batteries this afternoon. I tried unplugging and plugging the battery back in a couple times on each battery and the navistick a couple times on each battery (separate times). Finally, on the 3rd battery it just magically started working and picked up 10 satellites.

Strangely, the 3rd batter was the official parrot battery that came with the drone. I have a hard time believing that using the original battery had anything to do with it, but it's an odd coincidence. Any better way to get things to work the next time? It's kind of useless if I have to fly it for 35 minutes before the GPS starts working :-).

bretcobrageek
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Joined: 26 Sep 2013, 01:09
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Re: Flight Recorder "on the cheap"

Post by bretcobrageek » 13 Nov 2013, 17:31

I read the directions on the parrot page for the flight recorder and they mention to be sure to have it positioned directly above the battery because the battery blocks interference from the electronics that can mess up the GPS satellite reception. Interesting.

When I was using the non-standard batteries the navistick was farther off to the side because the batteries are larger and the Velcro with the strap for the USB port fits differently. When I used the stock battery the navistick landed right in the middle of the battery. I wonder if this was why it magically started working only with the stock battery. Next time I fly outdoors I'll position the navistick differently somehow to make sure it's completely centered over the battery even for the larger batteries.

ShellDude
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Re: Flight Recorder "on the cheap"

Post by ShellDude » 14 Nov 2013, 00:02

I have zero issues with my flight recorder and my navistick 4g using the turnigy nanos.

Sent from my Nexus 5 using Tapatalk

Carl190_1
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Re: Flight Recorder "on the cheap"

Post by Carl190_1 » 20 Nov 2013, 01:48

Kyrt or Jayson

A little help please.

My setup:
AR.Drone 2.0
Navistick LE no memory w/changed PID & VIDs constantly locking 7 sats.
Edit added: Samsung Galaxy Tab 2 10.1 tablet
Using AR.Pro version: 2.0.17
hardware version:21.0
firmware version: 2.4.7
gps hardware version: 1.0
gps software version: _3.3.01.

Are any of the above correct? Your setup parameters would really be a big help.

Can I get this to fly with GPS or should I just reprogram the GPS and use it
as a USB/GPS for laptop or PC?


FYI:From Silicon Labs Data Sheet for CP2102:

"Internal 1024-Byte programmable ROM for vendor ID,
product ID, serial number, power descriptor, release
number, and product description strings
- EEPROM (CP2102)
- EPROM (One-time programmable) (CP2109)"

I read this as the CP2102 can be reprogramed back to original state!

Thanks
Last edited by Carl190_1 on 22 Nov 2013, 00:10, edited 1 time in total.

Jayson Hanes
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Re: Flight Recorder "on the cheap"

Post by Jayson Hanes » 21 Nov 2013, 14:29

I'll take a look tonight. What you have seems to be exactly what I have. However, I will say that mine is getting more and more flaky. I'm wondering if the tiny lithium battery that is soldered on the board is at the point were it needs to be replaced..

Carl190_1
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Joined: 07 Apr 2013, 20:51
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Re: Flight Recorder "on the cheap"

Post by Carl190_1 » 24 Nov 2013, 01:37

Navistick battery.

I opened up my Navistick LE and found battery B1 on board.
I measured the voltage at the battery with the unit plugged in at about 2.95V,
and also measured with it disconnected starting at about 2.9V and decreasing over time to 0.34V.
I tried to find data on battery backup voltage; but wasn't certain I was seeing the right
GT GPS chip. But most mentioned minimum backup battery was 1.2V.
This might mean that this unit with a run down or failing battery might always Cold start
with no saved data at all.

Maybe one of our more electrically experienced members might be of help here.

pawelsky
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Re: Flight Recorder "on the cheap"

Post by pawelsky » 24 Nov 2013, 01:46

Carl190_1 wrote:Navistick battery.

I opened up my Navistick LE and found battery B1 on board.
Is this a battery, rechargeable battery or a supercap? Can you post a photo?

Carl190_1
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Re: Flight Recorder "on the cheap"

Post by Carl190_1 » 24 Nov 2013, 13:39

Photo attached; I can't seem to get any better closeup - sorry.

Battery is in upper right corner, marked on pc board as BT1.
Looks like reg battery not supercap; but I don't know what a super capacitor looks like.
Can't be easily removed because top (-) is tack welded to contact/holder.
You do not have the required permissions to view the files attached to this post.

pawelsky
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Re: Flight Recorder "on the cheap"

Post by pawelsky » 24 Nov 2013, 14:05

Carl190_1 wrote:Looks like reg battery not supercap; but I don't know what a super capacitor looks like.
Can't be easily removed because top (-) is tack welded to contact/holder.
That looks like a rechargeable battery. Given you said it does charge (2.95V after plugging the mod in) I think nothing is wrong here.

ShellDude
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Re: Flight Recorder "on the cheap"

Post by ShellDude » 24 Nov 2013, 18:01

Interesting... maybe leaving it plugged into your PC overnight will breath some new life into it.

pecks1472
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Re: Flight Recorder "on the cheap"

Post by pecks1472 » 01 Dec 2013, 03:08

I got navistick, installed, and follow all kyrt procedure, it work with ipad..

Then, i tried qgroundcontrol, it seem work all parameter on the place, i make 4 waypoint, adjust alt..and go.....

The drone fly for first waypoint but unfortunately not move to second waypoint....and fly away....

My drone missing in action...

Anyone have same experience ?

R,
Pecks

Carl190_1
Just flips over
Posts: 73
Joined: 07 Apr 2013, 20:51
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Re: Flight Recorder "on the cheap"

Post by Carl190_1 » 01 Dec 2013, 23:37

How do I wire two USB female receptacles to a male USB connector?

I want to plug in my Navistick LE and a memory stick into the AR Drone 2.0.

Daisy chain ? I've looked every where on the web and can't find a wiring diagram.

Thanks,

Carl

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