The Ultimate Auto VTx Power Adjustment with iNav Logic Conditions

Рет қаралды 5,493

Күн бұрын

NOTE: There is a more up to date video at • Ultimate VTx smart pow... which covers iNav 2.6 onwards.
There have been a few videos and tutorials showing how to automatically raise and lower the power level of your VTx; using iNav Logic Conditions and Global Functions. The problem with them is that they are always based on your distance from home. But, an RC plane doesn't just fly along the ground. It has the 3D expanse of the sky to cover distance in. This auto power adjustment program takes that into consideration. It will base the distance on an imaginary line between the home point and the model, both vertically and horizontally. Therefore, you can fly away from you in any direction, and the VTx power will increase or decrease based on the ranges you set.
I call the is the ultimate auto VTx power adjustment with iNav Logic Conditions. However, the real ultimate would be using the RSSI of the VRx. But this is not available at this time. So this is really the ultimate based on distance.
Contents
00:00 Introduction
00:44 How this iNav programming works
01:36 Quick workbench demo
02:26 Set up your VTx for SmartAudio or Tramp Telemetry on the iNav Ports page
02:46 Creating the Logic Conditions in iNav Programming
07:42 Recap of the triggers for the distances
08:23 Setting the Global Functions in iNav Programming
09:12 This programming working in the real world... OSD layout
10:09 Seeing the first switch over from less than 50m to over 50m
10:50 Seeing the switch from level 3 to 4. From less than 1km to over 1km
11:51 Seeing the power drop back from level 3 to level, as we get less than 500m from home
12:09 Thanking Rich Adams :)
12:20 One final warning. If you fly below yourself, you MUST watch this section!
13:21 The request to the iNav developers. The change will improve this setup
14:27 Conclusion
Please like and comment on this iNav Feature Request. If implemented, it will make this program simpler, and make it safer for pilots flying below their home position. github.com/iNavFlight/inav/is...
Gear in this video:
Matek F405-WING Flight Controller bit.ly/MrD_2sxgQLT
FrSky R-XSR Receiver bit.ly/MrD_2qZLhsz
Eachine TX5258 VTx bit.ly/MrD_3hidiEu
NEO M8N GPS Puck bit.ly/MrD_2ILejDL
If you found the video useful, I'd appreciate a thumbs up. 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: 113

@rscottwilson1 3 жыл бұрын

My mind is blown by the possibilities of logic conditions in the flight controller. New to iNav, but loving it. More programming samples please. 👍🏼

@MrD 3 жыл бұрын

They are pretty cool Scott. I have got another one coming up shortly.

@brightontilifly 3 жыл бұрын

Interesting good to see you falling with style

@North49RC 2 жыл бұрын

This is cool AF! I like how this guarantees a low power level while attaining sat lock, and its something you don't have to think about while flying. Definitely using this, thank you

@MrD 2 жыл бұрын

That’s the beauty of it. No need to worry about anything. Just fly.

@johnclarke3319 3 жыл бұрын

Glad I found your video. I had forgotten about the height component! Also learned more about logic conditions. Thanks!

@MrD 3 жыл бұрын

You’re welcome John. When 2.6 comes out (should be soon now), this will be much simpler and be a true line between you and the model.

@johnclarke3319 3 жыл бұрын

@@MrD Thanks. That will be excellent.

@MrZeek101 3 жыл бұрын

great jod Mr D this will definitely come in handy thank you for your hard work and Take Care

@MrD 3 жыл бұрын

Thanks Robert.

@53roger 3 жыл бұрын

very good information. I am retired so it has been a while since my college basic computer programming classes but i kept up with you explanation. Brings back some memories. I am sure many people will get good use of this. I will be putting it on my Inav quad soon and also on my plane when I get it back in the air. Thank you for a very good explanation. New sub for you

@MrD 3 жыл бұрын

No problem Rog. There will be an update when iNav 2.6 is released, as my change request has been implemented. This will make it more accurate and simpler too.

@northernflyer5311 3 жыл бұрын

Great stuff. Love to see more iNav programming examples. Also like to see if anyone has implemented the new GSM options they’ve added?

@NOXFPV Жыл бұрын

Awesome video

@MrD Жыл бұрын

Thanks 👍🏻

@antlerhanger 2 жыл бұрын

Thank you so much !!!!!!

@MrD 2 жыл бұрын

You're welcome Allen. Thanks for watching.

@M-H433 3 жыл бұрын

Subbed,thanks for the video very easy to listen to you,keep it up.

@MrD 3 жыл бұрын

Thanks for the kind feedback. There are plenty more videos on the way. There will be a follow up to this one soon for iNav 2.6 👍🏻

@M-H433 3 жыл бұрын

Can't wait for it,I'm new to inav and wish to learn as much as I can.

@MrD 3 жыл бұрын

There is a fair bit to learn in the beginning. But take your time, it gets much easier as time goes on. If you’re on Facebook, check out INAV Fixed Wing Group. Its a great resource and support community for iNav.

@M-H433 3 жыл бұрын

Why thankyou I will.

@TheTryzna 3 жыл бұрын

Thanks for the video! So to solve flying below yourself altitude problem we need ABS operation or even better SIN & COS functions to calculate real distance in 3D space(of create another condition if X(altitude) < 0 then x=x*-1]. Guess thats not that much to ask for from inav devs:-) Thanks again, it was nice introduction to programing tab in inav configurator.

@MrD 3 жыл бұрын

That would definitely be a better option for the iNav variable. That level of programming isn’t possible with the logic conditions.

@DanielGoldfaiz 3 жыл бұрын

great job. I would add to be more confident RC CHANNEL X GREATER THAN 0 and determines the high power available. So in a situation where the video quality is not good, high power can be forced manually by a switch

@MrD 3 жыл бұрын

This would be a good option to add. Great suggestion 👍🏻

@r.eyvprdctn 2 жыл бұрын

Thanks for this guide :) I just tried it myself and added a SUB line which will become active, if Altimeter < 0 [cm] Then I just added ADD and SUB line together and in theory it should give you the value of the SUB line if you´re below 0 [cm] and the value of the ADD line if you´re above 0 [cm]

@MrD 2 жыл бұрын

There is a better way now using 3D Home Distance. That was added in 2.6.

@r.eyvprdctn 2 жыл бұрын

@@MrD saves me 6 lines - thanks:) I started with inav ..ehm today xD

@MrD 2 жыл бұрын

Cool. I did add a link to the updated video in the description of the old one. I forgot to do that, so thank you. Good luck with iNav. What plane are you setting up?

@r.eyvprdctn 2 жыл бұрын

@@MrD Thanks! I'm currently setting up my Rekon5 (first rtf quad) but I have some problems setting up manual vtx control. I have used it recently in BF and manual vtx control worked just flawless! In inav now: I have an additional function determining if my 6pos switch is on position 6 and if so activates dynamic vtx power. But if it's in Range 1-5 manual vtx power is active which will use the position of the switch (SUB 500 and DIV 250) and send it to the vtx. Testing it in the Programming tab in inav the LV changes from 1-5 and the dot of the "VTX Power Set" line shortly blinks after each input. But after powering the quad the vtx just always stays in pit mode. Maybe you have an idea? 😅

@MrD 2 жыл бұрын

What VTx is it and how is it connected to the FC? UART or SoftSerial?

@egtreadway4232 2 жыл бұрын

You are the man in my book, I'm going to give this a try, I'm now on inav 3.0.1 is this still the best way I see this video is a year old? As always thanks

@MrD 2 жыл бұрын

It’s hard to see the thumbnail on my phone. But if this is the iNav 2.6 revision that uses 3D distance from home, it’s how I still use it. I’ve also added manual override. But still need to make a video on that.

@egtreadway4232 2 жыл бұрын

I'm installing the tbs unify pro v3 vtx which has 4 different power levels, I took screenshot of your setup to follow which is 3 different power levels but I guess I'll skip the 200mw and do 25, 500 and 800. So using inav smart audio mine would be settings 1, 3, and 4. Is this correct? Looking forward to next video on this. Thanks

@MrD 2 жыл бұрын

Nope, my setup is for 4 power levels. You only need 3 distances to switch 4 levels.

@egtreadway4232 2 жыл бұрын

Thanks Darren, I'm going to set mine up identical to yours then, I've done some research but not clear on away to have no power going to vtx unless armed, which would be nice when bench testing, is this possible in inav3.0.1? Thanks again

@Rhoads6257 Жыл бұрын

I wish this would work on iNav 5.0.

@MrD Жыл бұрын

There is a better version that works on iNav 5.0. The original will also work. kzfaq.info/get/bejne/gNxlh6aip92xmH0.html

@theHDRflightdeck 2 жыл бұрын

Genuine question. What do you think would happen with GPS fail while far from home? Would it trigger vtx power 1? Because its a critical point to lose both gps and video.

@MrD 2 жыл бұрын

If the GPS fails, as far as the VTx switching goes, it will not just jump to power level 1. The home distance freezes, so only the altitude from the baro will be active. Most likely, it will stay on the current power level. But there is potential for the power to change based on altitude. This is or course all relative to the distances you have set. This is the same for the improved 3D Distance from Home method on the other video. This was tested by getting a home position, moving away, and cutting power to the GPS.

@bluefish3607 3 жыл бұрын

Absolutely brilliant Darren, thankyou so much for putting this together, going to set it up on all my planes. Will the absolute 3D distance variable be incorporated into iNav 2.7 do you know, as I often fly from hills below myself to the coast?

@MrD 3 жыл бұрын

No problem Glenn. The 3D distance from home is in 2.6. I’m going to code something, possibly tonight, for 2.7 to allow the sat count to be used as an error check too. At the moment, if the GPS is lost, the sat count stays on it’s current level; which is not only wrong, but it stops being able to use it as a safety check in programming. When the feature gets added, if GPS is lost, the sat count will go to 0. Meaning in the next version of this, we can add a safety check so that if the sats go below 6 (below 5 the GPS data gets inaccurate) we can go to full power on the VTx to make sure we can see. Plus I’ll be adding manual power options too.

@bluefish3607 3 жыл бұрын

@@MrD That sounds awesome Darren and covers all bases, I am subscribed so will keep a lookout for that notification.

@simivanov5910 3 жыл бұрын

Hello !!!! We all wait lesson about OVERRIDE switch for VTX power! ( logic in inav 2.6 is simple enough, it has 3ď distance already. I can add arming timer check in log. Cond. But true- that we need override manual switch...for vtx power... Cant wait! Hope that you tell us soon , how can it be

@MrD 3 жыл бұрын

It will be soon. I just want to make sure some things are getting sorted for the next version of iNav before going ahead.

@dronetechnology2772 Ай бұрын

Sir hello i want to know that how to set global function in 7.1 confrigurator

@Slash7FPV 3 жыл бұрын

Looks nice and great explaining! Thank you, Darren, will try it soon. But what should i set up to still be able to force the vtx power via switch if needed? Or does a switch switching the powerlevel override this programming?

@MrD 3 жыл бұрын

This programming would override the switch. However, adding more logic can add that functionality to force the highest power on. I’ll make a follow on to show this.

@Slash7FPV 3 жыл бұрын

@@MrD that would be great, thank you in advance, but no stress, weather is suboptimal over here in northern ger right now 😉

@MrD 3 жыл бұрын

The weather is not great here either. I need to get some things done for inav fixed wing group tomorrow. But I’ll get it done soon, while this is all fresh.

@DanielGoldfaiz 3 жыл бұрын

Another thing, when the plane is away from home, altitude improves the signal (less masking).

@MrD 3 жыл бұрын

This is true. There is better line of sight between the antennas at altitude. The ultimate would be an RSSI based. But it is better to have the altitude component, than just based on distance from home on the flat.

@egtreadway4232 2 жыл бұрын

Hey Darren I hope your well, I've been using this setup for almost a year now and have a couple of questions please, in the osd its showing vtx power levels changing 1 through 4 but i have doubts that vtx is actually going up to 800mw due to my lack of range, is there anyway to verify power level? I've also noticed in the configuration page there's settings for looks like band and channel there's options like fatshark and boscam my vtx is crossfire so i don't really know what to do there. Also i have low vtx power on disarm enabled in the cli but should I set vtx power level to 4 in cli? Thanks for all your videos

@MrD 2 жыл бұрын

Hi Ernest, I'm doing ok thanks. Hope you're well too. The only real way to know if the power is being updated is with a power meter to test the output. The LEDs or displays on the VTx should show the correct level. What sort of range are you getting? Ok, first up the bands and channel options. The bands are the names of the frequency bands available. The have no relation to the manufacturer of the VTx. TBS VTx, will still use BAND A (BOSCAM A), BAND B (BOSCAM B), BAND E (FOXTECH), BAND F (FATSHARK/IMMERSION), BAND R (RACEBAND). The bands are just frequency ranges that have been specified, with the channels taking up a specific frequency within that range. Whatever you set with the band and channel in configurator, for example Band F, Channel 4. That should be the channel that is output by the VTx, in this example F4 is 5800MHz. But, I would turn off low power before arm. You can do that on the Configuration page, no need to use CLI. That could be interfering with the programming. Also, with low range, you should be on 25mW already.

@mathieusan 2 жыл бұрын

how much CPU resources is using 8 logic parameters continuously versus a LUA script running in loop to adjust the VTX power directly?

@MrD 2 жыл бұрын

Nowhere near enough to worry about. I have around 20-25 programming lines and it’s un-noticeable, even on an F411. Marc Hoffman has used all 32, again, no impact at all. Just using loiter will have more processing than this code.

@stealthwingsrc1094 3 жыл бұрын

Thumbs up. But another question is, how do you wire up the VTX to the flight controller so that the VTX knows when to change the power level?

@MrD 3 жыл бұрын

It needs to be a smart audio or tramp telemetry VTx. You hook up a UART on the FC to the VTx and set it up in on the ports page.

@stealthwingsrc1094 3 жыл бұрын

@@MrD Thanks buddy

@Fpvlandscapes 3 жыл бұрын

Hello mate, i have a question. What if i need to convert speed( cm/s into km/h) DIV for 27,77777 but i cannot use decimal . Any help?

@MrD 3 жыл бұрын

I've just checked this and at the moment, you can't have decimal places in the operands. There are a few options, all would need changes in iNav. The first would be to allow decimal places in the operands. The second would be to do the conversions in iNav, and have extra variables in the Flight list. For example Ground speed [Km/h], Air speed [mph], Altitude [m]. This could add quite a few more options though, but may be simpler for people and require less programming steps. The best thing to do, would be to go to github.com/iNavFlight/inav-configurator/issues and raise an issue, maybe suggest your preferred solution. It may also be worth tagging @DzikuVx in the issue as Pawel wrote the programming framework in the first place.

@micrathenefpv 3 жыл бұрын

Very well explained... but where is Pitagoras? It´s no necesary? I´m learning how to programming in Inav.

@MrD 3 жыл бұрын

There is only very basic programming in iNav. Technically, you will be closer than the target distances. But, this will give better results than just using the distance from home.

@micrathenefpv 3 жыл бұрын

@@MrD Ok, thanks. I'm starting to understand inav programming.

@user-cz7yj9rl1k 2 жыл бұрын

There are no global functions in inav 4.0. How to setup?

@MrD 2 жыл бұрын

Use this video. Since 2.6, global functions have been on the programming page. kzfaq.info/get/bejne/gNxlh6aip92xmH0.html

@egtreadway4232 2 жыл бұрын

I'm doing good also Darren thanks, I will disable low power on disarm and hopefully that's the problem. This thing has me really scratching my head, according to my research I have some of the best 5.8ghz gear. On the ar wing pro I'm using the crossfire unify pro with the vas mad mushroom antenna,on the diversity receiver I'm using a ib crazy 5 and a 7 turn helical, I have been in touch with this antenna company and they say with this setup and my flying environment range should be much better which on good day I might get .6mile never a full mile. I think I have something wrong in inav, if I try changing power level on vtx using button and counting flashing light and then go into cli get vtx power level is always 1 basically I'm thinking vtx is always outputting 25mw. So in configuration page I understand now and the antenna company also recommends using fatshark f1 which I will set vtx to using inav I don't think vtx itself will save changes unless I do it in cli. Sorry for long post and I hope this makes sense. Thanks for all your help over the years

@MrD 2 жыл бұрын

No need to do it in CLI. The band and channel on the configuration page work fine. I think to get 0.6 miles on 25mW, you’d need a pretty good, low noise environment with that setup. But I guess it’s possible.

@egtreadway4232 2 жыл бұрын

@@MrD Thanks Darren, I'll try like you advise if still no better range a will look into 1.2ghz fpv gear. Thanks

@MrD 2 жыл бұрын

To be honest, this really must be a setup issue. You should easily get 3-4 miles out of that setup. The other consideration to make is where is your head pointing. You have 2 directional antennae on your goggles. If they are not pointed at the model, you will have much worse reception. In fact, I’d recommend and omni and the 7 coil helical, rather than 2 helicals. Also, is the circular polarisation of all 3 antennae the same?

@egtreadway4232 2 жыл бұрын

@@MrD all my antennas are RHP, but the ib crazy antenna company told me exactly the same thing that with current setup and environment I should get 3 to 5 miles. I have a axis 2 omni I can try on the receiver with the helical but not sure if that would help at 1 mile distance. I wish I could verify vtx output during flight but osd shows it switching from 1 to 4 I'm just not sure what's going on but been my first fpv setup I'm sure problem is on my end. Thanks

@MrD 2 жыл бұрын

Hi Ernest. First, I've just done a test, and you can use low power until first arm. That works fine with the programming. Nothing will change until after you have armed. The 2 directional antennae aren't really doing you any favours. The directional is good for the range, but you need to keep it pointed towards the plane. The omni is good for when you are closer, as it will cover a much greater area around you. With that AXII 2, that will be fine, so long as it is the type with the feed wire and not the stubby. Ideally you want the antenna vertical and above the helical. The helical will of course be aimed straight out in front of you. Having 2 helicals won't increase your range. At best it would widen the beam where the best signal is found. But with 2 different sized helicals, I'd bet the 7 turn is the one that's always used anyway. Do you fly with other people? If so, ask them to let you know what your head is doing. Some people have a tendency to look up or down. The will of course reduce the effectiveness of the antenna. If the picture starts degrading. Slowly move your head and keep moving in the direction the image gets better. The only other thing I can suggest at the moment is to look up your VTx and see if anything needs to be enabled for SmartAudio to work. With TBS, I'd imagine it's working out of the box. But it's worth a try. If you're on Facebook or Discord, maybe post some photos of your FPV setup. Maybe there's something that is causing problems with orientation?

@lordgeorgemaster 3 жыл бұрын

Hey man, great video and the variables works very well! However i have had something strange that makes no sence. Distance of 1.65Km and Alt of 2.1km the logic changes back down to level 3 on the vtx. Further than 1.65 the vtx was pushing level 4 as expected. My distance value for level 4 is set to 2000. I checked the whole dvr footage and the power levels changed exaclty as expected up to that point. Would you have any pointers to check? Thanks

@MrD 3 жыл бұрын

That sounds really strange. There’s no reason why it should work most of the time. I agree that at 3750m (what the global variable should have been), that it should switch down to level 3. It should still be on level 4. Perhaps there is something strange happening gun with the global variable. Unfortunately there is no way to check this while flying at the moment. In 2.6 GVars will be viewable on screen, which would help with diagnosis. Also, there may be a 3D home position, that is using proper trigonometry to get the correct distance from the home point to the model. So without the diagnostic ability, I can’t really say what is happening. It will be there in 2.6, but so might a much better and simpler way of doing this.

@MrD 3 жыл бұрын

To follow up, I could not find the range allowed in the GVARs, so I asked Paweł. They can store from -32768 to 32767. So there should be no reason why there would be a problem storing 3750. It should have 10 times that available.

@lordgeorgemaster 3 жыл бұрын

@@MrD Thanks for checking :) I had seen about the improvements on 2.6, im scratching at the seams to get hold of that ! By all means i dont mind privately sharing the dvr footage and my diff. The only thing i did wonder is if the vairable is grabbing the either the barometer while the osd gets the GPS altitude or visa versa. Hence why the low flight was okay, however hight altitude was casusing a discrepency.

@MrD 3 жыл бұрын

I don’t think it should be that. It should all use the same altitude. It’s looking like 2.6 is getting closer. An alpha release has been provided. The change for this will be included too.

@dronetechnology2772 Ай бұрын

sir i saw ur videos i want to know that global function is not avilable in 7.1.0 version so how can we set paremetres in global function

@MrD Ай бұрын

There is an updated version of this video for INAV 2.6. That shows the new locations and a better method. Everything is in the programming tab now.

@dronetechnology2772 Ай бұрын

@@MrD thanks thanks

@bobeshoz 2 жыл бұрын

has this features been killed in iNav 3.0 ? because for the life of me I can't find the Global Functions tab in my configurator, only now realising you are using version 2.5

@MrD 2 жыл бұрын

Not at all. In 2.6 Global Functions were moved from a separate tab to the main Logic Conditions page. This video shows the 2.6 and above method, and has a better way for setting the distances. kzfaq.info/get/bejne/gNxlh6aip92xmH0.html

@bobeshoz 2 жыл бұрын

@@MrD oh I see now what they have done, thanks. not very intuitive though I have to say, it's like mixing apples and oranges, where operands for logic conditions are mixed in same bag as actual functions that are supposed to be executed when those logic conditions are met. I definitely preferred the previous implementation where it was separated. also glad they added that 3D distance because without Pythagoras there was as much as 30% variance from the actual real distance. I have a further question, but I'm going to post it in the updated video...

@M-H433 3 жыл бұрын

Darren tramp has 5 power levels what has to be added for this in inav. Also can you do a video showing power levels being changed with switches and a know 6 position please.

@MrD 3 жыл бұрын

You would just repeat a couple of the code blocks. 1 for the distance, and XOR, and the power output. This is a really good point though Mark, so I’ll add it to the video for iNav 2.6. I can also make a video for setting power levels by a switch.

@M-H433 3 жыл бұрын

@@MrD That would be fantastic Darren,and thankyou for your reply to my last question.

@WX4CB 3 жыл бұрын

nice.. but it's a pain in the ass having to use eu numbers... us old brit folk use feet n inches like we did when we were in school :D now is there a possibility to "delay" the changing down till you're a decent amount inside the range ?

@MrD 3 жыл бұрын

I’m and old brit and hate imperial 😁 Well, for smaller measurements. Distances I still use miles 🤣 I used to hate finding the right spanners for my Chevy though. All the fractions of inches are just ridiculous. As I see it at the moment delay wouldn’t be possible. The iNav programming is very basic at the moment. All you could really do is reduce the switching range. That would also mean that the power would increase earlier too.

@WX4CB 3 жыл бұрын

@@MrD lol... my issue is they use centimeters, and meters in different places... such as the rth and failsafe config stick to one... either centimeeters or meters. why have centimeters when setting up rth alt and then meters in this.. stupid imho Stick to feet and be done with it :D

@WX4CB 3 жыл бұрын

as for the delay yea ... but it would be nice so that it's not an "absolute" thing

@MrD 3 жыл бұрын

Yeah, it is a bit crap that some is in cm and other stuff is in metres. There is no real reason to use cm, especially for things like altitude and loiter radius. Metres are fine. The configurator can convert it to whatever units the firmware is expecting. The inconsistency is crap. Its why I converted the altitude to metres. Who want to set stuff like this in cm at all.

@stevep4131 11 ай бұрын

Is this just for analog or would it work for Walksnail Avatar as well?

@MrD 11 ай бұрын

This is for any system where INAV can set the transmit power. It wouldn’t work with Walksnail. The power is controlled by the goggles.

@stevep4131 11 ай бұрын

@@MrD ta

@egtreadway4232 2 жыл бұрын

Hey Darren,I know this is old video looks like inav 2.5 but I'm trying to get this working, in inav 3.0.1 in programming tab there's no global fuction opitions only logic conditions and pid controllers. I've already setup as far as the logic conditions page but not sure what to do about the global function? If possible please advise Thanks

@MrD 2 жыл бұрын

Check out the video for auto VTX power for iNav 2.6. That has a better setup and shows where the coding goes. It was all merged in to programming in 2.6. It’s the same in 4.1.

@egtreadway4232 2 жыл бұрын

Thanks I'll give it a try, also in the ports tab in inav does it matter were tbs smart audio is enabled?

@MrD 2 жыл бұрын

Well, it needs to be the port it’s connected to. But it doesn’t matter which port in most cases. The only exception is on F4 flight controllers that have a dedicated UART for SBUS. It’s better to keep that one for the receiver.

@MrD 2 жыл бұрын

This is the VTx video kzfaq.info/get/bejne/gNxlh6aip92xmH0.html

@egtreadway4232 2 жыл бұрын

Thanks again, I've got it setup like yours, and enabled TVs smart audio on uart 3 this is were vtx is connected, only difference there's no 3D home choice in programming I used home distance meters but hopefully I can try it out tomorrow. Thanks again