Ultimate VTx smart power changing with iNav 2.6

Рет қаралды 3,611

Күн бұрын

Not too long ago, I released a video called the "The Ultimate Auto VTx Power Adjustment with iNav Logic Conditions". It was a big improvement over the past iNav logic condition based switching, as it took the altitude in to consideration too. But, it wasn't the ultimate. At the time it was as close as you could get. But now in iNav 2.6, my 3D Home Distance has been implemented.
The 3D Home Distance uses Pythagoras' theorem to calculate the exact distance between the home point and the model. It doesn't matter if you're flying straight up, straight out, or even below the start point. It is the distance in a straight line between you and the model.
So this tutorial uses the new 3D Home Distance to calculate when to change the power on the VTx with the logic conditions and global functions. Now brought in to one place and called iNav programming. As far as things go, this is now the ultimate. The only way this can be improved upon, is if the RSSI of the VRx could be used to change the power levels.
Contents
00:00 Introduction
00:30 How the old logic condition VTx power switches worked
02:30 How this new logic condition VTx power switch works
04:34 A quick note on iNav programming, particularly if you have programming on older versions
05:15 Adding the logic conditions
08:47 Adding the global functions
09:41 Changing the number of power levels
19:18 Conclusion
If you found the video useful, I'd appreciate a thumbs up. This will help KZfaq share this video with other RC pilots who may find it helpful. If you would like to get more videos when they become available, please subscribe and click the notifications bell icon. If there are links above, they may be affiliate links. If you click them, it will help me and my channel at no additional cost to you.
There are more tutorials on my web site at www.MrD-RC.com. You can also join like-minded people at the Fixed Wing RC Rebels group on Facebook. Also, if you found my videos useful, and would like to leave me a little tip, you could always buy me a Coffee at www.mrd-rc.com/go/ko-fi/
Thank you for your time, and don't forget to fly it like you stole it!

Пікірлер: 69

@GKCcisco Жыл бұрын

Epic! Thank you for this logic

@MrD Жыл бұрын

You're welcome. I will make a follow up to this video at some point, which also has manual override. I'm still working on fine tuning at the moment.

@sergiodelpatto830 Жыл бұрын

thank you Darren 😃

@MrD Жыл бұрын

You’re welcome Sergio.

@M-H433 3 жыл бұрын

Thankyou so much for doing this Darren and even got a name mention..cheers buddy.

@MrD 3 жыл бұрын

No worries. It’s a really cool little bit of programming.

@Anatoliy0256 2 жыл бұрын

Thanks, very helpful content!

@MrD 2 жыл бұрын

Thanks Anatoliy. I'm glad it helped.

@Mrypants31 3 жыл бұрын

thank you Darren, your content is so helpfull.. your the best ..

@MrD 3 жыл бұрын

Thank you for your awesome comments. They’re most appreciated.

@egtreadway4232 Жыл бұрын

Another great video Darren thanks, in inav 6.0.0 there's no greater than so i used greater than (A B). Hope this will work thanks again

@MrD Жыл бұрын

They are the same thing. The part in brackets was added to be more like OpenTX. To help people visualise what the operation does.

@egtreadway4232 Жыл бұрын

Thanks

@dolmerfpv2109 3 жыл бұрын

Thanks Mate..

@MrD 3 жыл бұрын

No problem. Hope it’s useful 👍🏻

@tubamanandy2 2 жыл бұрын

This is FANTASTIC - how do we find the power levels and associated numbers for the DJi units ?

@MrD 2 жыл бұрын

Thanks Andrew. I don't believe there are any for DJI.

@rscottwilson1 3 жыл бұрын

This is great. I have a question for you. I had previously setup a switch on my transmitter using Powel's method under "OPERATION" LOW - MED - HIGH to control three settings on my VTX. One interesting point was made in his video about actual command that was sent to the VTX through smart audio was only sent one time, instead a continuous stream of commands, and this was a benefit of using the "low, med, high" Operation. Do you know if this is true with your 3d distance method, or if there is anything different? Just curious. Thanks for all your info!

@MrD 3 жыл бұрын

I’ll check Paweł’s video and see what he’s doing. I can’t really comment without taking a look.

@MrD 3 жыл бұрын

I’ve just checked Paweł’s video (kzfaq.info/get/bejne/nZl-asiQuK63p4E.html) and it’s just sending the command when the switch changes. The system is the same, only the logic for the switch is different. So I would assume from this that the command will be sent once, when the switch changes.

@rscottwilson1 3 жыл бұрын

@@MrD Hey, thanks for checking. I've got my FC programmed with your distance setup, waiting for a calm day to try it out! I really like that it will all happen automatically. Another big benefit of your setup is that when the plane lands at the end of flight, I don't have to worry about my VTX overheating at a high power level. Thanks!

@MrD 3 жыл бұрын

No problem Scott.

@ValleyFPV 3 жыл бұрын

Thank you for this.. I am moving from betaflight to inav and am used to the vtx table method assigned to a switch. It appears this is the inav equivalent to achieve the same end result? For me I plan to use a Pot or switch to change vtx power as that gives me control.

@MrD 3 жыл бұрын

Not really. You can just use a switch in iNav. This is for it to be automated based on your distance from home.

@ValleyFPV 3 жыл бұрын

@@MrD Thnk you for clarifying that.

@MrD 3 жыл бұрын

No problem 👍🏻

@JoeKacmarik 3 жыл бұрын

What command does INAV use to make these VTX power setting changes? Does it work with DJI Air Unit? Thanks!

@MrD 3 жыл бұрын

This works with SmartAudio or Tramp Telemetry. I don't believe it will work with DJI.

@maskpro1843 2 ай бұрын

Is there any improvement made on this concept - most long range vtx come with multi power level and it will a good idea from inav to revisit your idea .Thanks for all your contribution in the FPV community .

@MrD 2 ай бұрын

This is for multi-power level VTx. It is to switch the power level based on distance. That hasn’t changed in years.

@RichardFAdams-kt9ux 2 жыл бұрын

Darren I know it's been awhile since you helped me on this. I've now switched over to Inav 4.1 and was wondering does anything special have to happen or can I just copy the Logic settings straight from 2.6 to 4.1?

@MrD 2 жыл бұрын

The logic should all be the same. I think it was adjustments that changed between 2.6 and 3.0. You're using the 3D distance from home right?

@RichardFAdams-kt9ux 2 жыл бұрын

@@MrD yes 3d using distance from home.

@MrD 2 жыл бұрын

Cool. That’s all good in that case.

@RichardFAdams-kt9ux 2 жыл бұрын

@@MrD Darren I'm sorry to keep bothering you about this is there any way I could send you a picture of the logics screen or the CLI information if you could look at it and let me know if it looks alright.

@MrD 2 жыл бұрын

To be honest, if it looks the same as 2.6 it will be fine.

@egtreadway4232 2 жыл бұрын

Darren I have a question alittle off subject but I hope you can help, I just got a tbs unify pro v3 vtx to my surprise input power is 4.5v to 5.5v on the f405-wing fc according to manual vtx wires to uart 3 and camera to uart 5 problem is both these pads provide 9v which tbs says is too high. If I get the 5v from a different uart will I still be able to configure this in inav? As always Thanks

@MrD 2 жыл бұрын

Power pads aren’t associated with UARTs. Certain power pads are just put near to certain UARTs to make wiring up easier. The power for a VTx is usually near the VTx pad, and can be filtered in some cases. You could try using a 5v pad. Or you could use the 9v pad and add a step down converter to 5v. You just want to make sure that the signal doesn’t get unwanted noise.

@egtreadway4232 2 жыл бұрын

Oh ok that's good news and will give it a try because I do have extra 5v pins, in inav I guess I should enable tbs smart audio for correct uart? Thanks again

@MrD 2 жыл бұрын

It doesn’t matter what UART you connect SA to. Just set the UART number on the ports page, and it’ll be fine.

@egtreadway4232 2 жыл бұрын

Thanks Darren, this is first experience with fpv gear in past years I've always flew line of sight , waypoint missions or using yaapu scripts, I now have the tbs unify pro v3 and a AKK fx3 ultimate vtx so will start out with the unify pro. Just wondering if you have any thoughts on either of these vtx and maybe antennas preference? Thanks

@MrD 2 жыл бұрын

To be honest, I’ve not used either of those VTxs. I have an older Unify Pro, which I’ve not used much yet. But I have a few AKK X2 Ultimates, which have worked well. With the AKK, make sure they get plenty of airflow, and don’t leave it sat around above 25mW for too long. As for antennae, I like VAS and TrueRC Canada. Which I use depends on the build. The foxeer lollipops aren’t bad. Also Lumenier have some decent antennae.

@user-nr8mk6es2e 3 жыл бұрын

its very interesting! but im not sure.... what if uav is in bad vtx signal area&?- then you must manual add power of vtx... but if your uav is far away and try to return home on weak battery.... and logical switch turn vtx power on max.... bAttery will dead much sooner and uav will fall....

@MrD 3 жыл бұрын

If you are far away, it will already be on full power. The biggest problem is obstacles. However, if you are far far away with a weak battery, I’d say the VTx power are the least of your problems, and that the flight was poorly planned.

@user-nr8mk6es2e 3 жыл бұрын

@@MrD yeah< that means the problem was in planned..but it happens very often in our hobby. especially with newbies...sometimes we like a Chip&Dale -bravery and stupidity ))) lets fly far and high..dont care bout return to home ))

@MrD 3 жыл бұрын

@@user-nr8mk6es2e True. This is something that should always be discouraged.

@user-yj2oi3ih5m 3 жыл бұрын

yeah! we need an override manual switch for VTX power

@MrD 3 жыл бұрын

It’s coming. As well as a safety check for satellites, which should work better in future versions of iNav.

@spartan3299 3 жыл бұрын

Running INav FW Group pro on my Jumper T16 pro/R9M. CLI had some errors that weren't saved. All basic stuff works...Like!

@MrD 3 жыл бұрын

Thanks. I’ll check that with the final release. Those 2.6 CLI codes were built with early builds. It should have all worked, but I’ll take a look 👍🏻

@MrD 3 жыл бұрын

@spartan 320 I've just done a fresh full chip erase and 2.6 install, and used the CLI code from the site. It hasn't reported any errors. Could you get in contact with more information. The INAV Fixed Wing Group on Facebook would be the best option, or I have a contact form on my web site.

@spartan3299 3 жыл бұрын

@@MrD All seems to be working fine. The errors were in red, didn't remain on the screen due to the re-boot. So I'm not sure what they were. But all seems well...so far.

@spartan3299 3 жыл бұрын

@@MrD Using version # INAV/MATEKF405 2.5.0 Jun 7 2020 / 11:35:34 (694767938) # GCC-9.2.1 20191025 (release) [ARM/arm-9-branch revision 277599] F405-std. And I just got the New Configurator notice.

@spartan3299 3 жыл бұрын

@@MrD Ok now full chip erase and loaded 2.6. All seems to be well. Thanks for the great install video. Very detailed, easy to find where on the timeline.

@MrVasmikey 3 жыл бұрын

Any need for VTX tables entered into Inav?

@MrD 3 жыл бұрын

Nope, that’s a BetaFlight thing. The iNav developers aren’t keen on the concept, so I can’t see it being implemented either.

@k1ortia 3 жыл бұрын

What an absolute ball ache...why cant inav have the vtx table like betaflight, all done in 2 minutes.

@MrD 3 жыл бұрын

This has nothing to do with VTx tables. This automatically changes the VTx power based on distance. VTx tables (which I personally think are a ball ache) don’t do this.

@k1ortia 3 жыл бұрын

@@MrD Ah. i see. I,ll give this a try then, I lost patience with it to be honest. Was going to just put my vtx in 1200mw mode and leave it. But I,ll try this again and hopefully succeed..😁