Adding GPS for Drone Speed Testing 🏁
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- čas přidán 30. 03. 2019
- OK, I'm gonna do speed testing! Not with a radar gun but with GPS instead. There will be plenty of comments about how this is not accurate but no proof with be offered as to why GPS is any less accurate than radar gun measurements.
✔️I used the BN-180 but others will work just as well...
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📺GPS Rescue Mode Video - • Betaflight 3.4 GPS Res...
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#Betaflight #GPS #MicroDrone - Věda a technologie
Wow, i have the exact same drone, and now considering adding gps to it. Thank you so much!
Cool just what I want in my upcoming builds!
Excellent video Albert 😀 I'm thinking of adding GPS to a 7" frame, this is exactly the information I need for the build 👍👍👍
R349 is such an awesome little drone. You sure did pick a drone with tiny pads to alter, but worth the effort.
I was planning to buy one of those GPS devices for GPS rescue mode, ordered BN-180 just after watching this :)
So this week I've been doing this. I added gps to the diatone mamba full stack. On this build I also just replaced receiver and vtx. Yesterday I tested the GPS and the other components. This after noon I went ahead and tested rescue mode. Success. I'm still in metric for testing distance so I have no real clue what speed I'm going in mph or if it's accurate. Great video.
Sounds really cool man!!!!
Great work, Albert! Thanks a lot! 😊
Great video Albert. Thx
👍 can't wait to see the speed test.
I wanna see how fast it goes!! Nice vid thanks 4 the in4
Thank you very much, Albert 🙏👍❤️🍺
Excellent help video, thank you! It helped me perfectly!
Glad it helped!
I have always wanted a race drone with G.P.S. so i can hit return 2 home if i ever get lost hahaha!!! I know im still new to flying with the goggles on and have never even tried acro yet!!!! Cant wait 2 try it!! Sun is out its 31° outside and a few inches of snow on the ground but whatever im about 2 walk into work!!! Hope you have a great day!
GREAT CHANNEL!!
👍😀👍
Thanks for sharing!
This might be a good addition for any quad. It's a $12 insurance policy (when RTH is setup) at the expense of 5-6g, a UART,and a little bit of space. With the added benefit of GPS speed. I need to order a few of these for current and future builds.
5-6g! Too much! No way! UART! Come on! Are you kidding me! This is BS.... LOL. 😂
Great vid Albert. I'm curious to see how well the GPS works sitting about 10mm-15mm above
the flight stack. In my experience with a diatone GT200 the BN-180 GPS
did not pick up satellites well until I put it on a pedestal 30mm or
greater above the flight stack. If this works well for you I will add one to my R349.
Spoiler alert, it works. Video on the speed runs coming soon. I just have to edit and upload it.
@@AlbertKimTV Great, looking forward to it. One question. Where are you connecting the telemetry? I assume you will be on RX/TX6 for the GPS? I dont have any other Uarts available. Uart1 = Serial RX, Uart3=SmartAudio (mine came with TBS Pro vtx)
Very good job explaining/install the gps. 1st:When installing my first GPS i was very hesitant so the step x step is great. 2nd: I just realized watching your install for the 3rd time that we do not need the telemetry turned on in betaflight to get the GPS readings in the OSD! I didnt know that? That is why i questioned you in the above reply about where you were connecting the telemetry wire. (i thought you were using FPort but didnt see it in the Port page and that started me investigating)
one last question. I didnt see how you mounted the GPS or did i miss i?. Do you have a pic of that? Thanks again...great info
I was actually thinking to toss this exact gps on my r349 to do the same thing. It is really fast on 850mah rline tattu… I wana know just how fast :) Loving this quad
Mixxer eyyyy mix
Did you? I can’t get mine to work... did all the settings but the icon in up top does not light up. I get a blinking blue light tho...
Not yet no haha. I have yet to ever use a gps will be a learning experience for sure.@@danman7665
Great video but this isn't the board for me. I'm looking for a 20x20 stack that has a barometer. Any input would be nice. Thanks
For those interested; the BN-180 weighs about 5g, and the BN-220 weighs about 5.8g.
amisoftau any idea which is better
@@maxiemusfpv198 The 220 has on board flash memory, allows saving (and rebooting/powering to) saved settings. We don't really need that, as BF and ArduPilot can both auto-program the GPS at FC startup. I assume that iNav can too. If you're running other custom FC firmware or Arduino etc, you may want to program the BN-220 once as desired using u-center and flash the settings.
The 180 is slightly lighter and smaller than the 220. Other than that it's the same as the 220 but without the flash memory.
Hello! Thank you for the video! tell me, on geprc cygnet, you can install this. gps module?
very nice
What does the gps do for the flight controller?
A BIG thank you for this one!!! I am currently flying my SECOND r349 do death and have been wanting to tinker (or more) with GPS. You ROCK and please keep up the awesome vids...
Looking for a GPS module mount. Has anyone come across one or could recommend someone for the project?
Hi Albert this is interesting stuff and it made me wonder if when i add gps to my Tyro79 i need to remove smartaudio.
Can i put smartaudio on my LED-pad and make it work with soft-serial? That way i have a spare uart for the GPS.
That could work
Yes. Smartaudio can be sent over a softserial port and the LED pad is a great option.
Hey Albert, fantastic vid, I am setting up my R349 quad and the same GPS right now but ran into a prob, just about to solder and realized the positive (right) stem from the Capacitor is loose and has ripped the pad off the board. What would you do? Can I move the capacitor, even if I add wires to it so I can place anywhere, and then add the GPS wires to it? Looking at the 2 Far Right Pads, GND and VCC, would they work? Brigzy.
Are you talking about the small cap on the FC or the large on on the battery lead? If the pads are ripped off, and it's the small one, you can just find another pad anywhere on the FC that is the same as the one that got ripped off. Since it's positive that must be 5v, so you can just solder a wire to the leg and the other end to a 5v pad elsewhere.
@@AlbertKimTV Thx, it's the FC capacitor, on the back of the FC, one pad ripped off. (Not the ESC Board or lipo battery lead, can't see one there?). I did what you said I believe, I removed the Cap, I added 3 inch wires to it, heatshrink etc..(will poke the Cap in somewhere later) I then soldered the Cap wires to the front right of the FC onto 5v and GND pads. I also spliced in the 2 wires (red and black) for the GPS so it will have 5v and GND too. I then soldered the white and green GPS wires to the TX6 and RX6 pads like you did, so I think that's pretty much what you said. Thx for that :{) Bit messy but should work.
Ive added these to three aircraft. They work great, but once enabled you have to have gps lock tp arm which is a tad annoying if you don't pre lock the satellites via usb power while going to the flying field.
You can disable the GPS lock entirely, or lower the amount of sats required if you wish..
Get the BN-180 I used. It locks in under 30 seconds.
Can I use the same 5v and gnd from my led and buzz to hook up my gps? Like have them both on the same 5v and gnd
Should be OK but there may be exceptions with some flight controllers so check your documentation.
My GPS readings most are pretty accurate for altitude and distance but the speed is incorrect is there a way to fix. Sometimes if I full-frontal for a couple seconds and Stop. Takes a second for the mile per hour to go up. I never know what my speed is until after I slow down and then I watch the osd number start the climb and see when it stops.
You'll have to ask the Betaflight devs to fix that.
question, how your will get the real speed? from osd info or log?
OSD... you'll see it in the next video
Cheers
I ordered bn 200 by accident, do you know can it perform gps rescue like bn220 and bn180?
It should behave the same
Hey Albert, good vid! I have a problem though where every GPS element in the OSD disappears when I arm the quad. The GPS is working fine in the configurator, and before arming I see the sat count on the OSD go up. When reached ~12, I arm it but then it disappears :(. It is weird though, every other OSD element works fine... Both VTX and the camera take direct power from the battery, and signal just onto my omnibus f4 v2 pro video-pins. No capacitor installed. Any ideas?
Well without knowing what model GPS you're using or how you have it wired up, I'm going to assume the GPS lost power when you armed. So check how it it powered and if whatever is supplying power is enough or too much.
Hey thanks for your reply. I am using the BN220 and the omnibus f4 pro has a uart1 white connector on it where i just plugged it in. That being said after arming the GPS still has the blue power LED turned on and the red LED flashing.... but I'll check the schemes again and maybe find a work around and use another uart to check
Try another UART... I think UART1 is inverted on that board.
what does it mean when the gps stop working after flying a bit it blinks to 0 and back down to 4
It lost signal briefly?
@@AlbertKimTV yes and dont come back it remain at 4 but blinking at 4 signal and then not at all it just stops
Before i buy, price is great too. BUT what's the difference in BN-180 >> BN_880???
The BN-180 is just a GPS. The 880 is a GPS and compass module.
I buy bn 880 but i confused about wiring sda and sdl in the mamba f405 mini stacj
@@mr.saleprot6217 U don't need it if you use betaflight or emuflight, rth don't use that's features, if you really wants you can use softserial and use the led pad and maybe the buzzer but I find no sense
whats the capacitor for I'm new to drone building
smooths out voltage spikes
Thanks
Is that the R349 you used that has a Turtle V2
No, this is the non-HD version
@@AlbertKimTV Oh... If it was the HD version I would have asked you if you want to sell it once your done testing. You see in Canada sub 250g can legally fly beyond line of sight as of June 1st. So I think the R349 HD + GPS would be the perfect quad to try some of my first LEGAL BLOS flights.
Make yourself a cable so you can power the GPS unit on a 1s battery, when you driving to the flight location. This way the GPS knows where it is.
Arrived you simply plug it in, and you're good to go.
(I have mounted it on a Trashcan with Velcro)
The BN-180 I used in this video locks on in about 20-30 seconds. Perhaps some other crappy GPS needs this.
@@AlbertKimTV
I then think the Beitian 220 is "crap".. Takes several minutes, even if I choose the region in BF where I fly. Therefore the cable is a good option for me.
@@Mandolgin I had problems with the GPS taking several minutes to lock also. (My 180GPS was mounted on top of the frame, just above the flight stack). After some experimenting with mounting the GPS i discovered that my GPS would lock on 8+ sats in 20 seconds when I mounted the GPS farther away from the flight stack. I did a pedestal 60mm tall (about the same height of receiver antennas) and did a 3D print. I mounted it on the frame above the flight stack. Others have had success mounting GPS out on the arm. I was using a cable as you mentioned until i made the new mount for the GPS.
@@53roger it's mounted on a Trashcan, so maybe it's therefore that the reception is a bit off... ;)
I don't think it a good idea to mount a big pole on top of it... But the idea is good for bigger ones.
why is the cap on the fc instead of esc?
Because that cap is designed for cleaning up noise on the 5v rail. On this model the VTX is powered off of 5v, not lipo power.
@@AlbertKimTV oh I see :)
YES I WANT! AND the true mph should be with gps to count.
Not enough UARTs on the Mamba stack :( If you have S-Port telemetry and Smart-Audio you're done. No room for a GPS.
Patrick Colclough resource the led pad to smart audio maybe?
Or the sport
Smart Audio can be done over softserial, it doesn't need a hardware UART. Repurpose some other pin and you're off to the races.
👍👍