ExpressLRS: Setting Review | How to Flash w/ the Configurator
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- Опубліковано 8 жов 2024
- A review of how to use the ExpressLRS Configurator to compile and flash your transmitter Modules and Receivers.
Configurator Release: github.com/jur...
ExpressLRS Repo: github.com/Exp...
Flashing R9M Module Bootloader: • ExpressLRS: How To Fla...
Download the "r9m_elrs_bl.frk" from github.com/Exp... and flash to the module from your radio as shown at the above video time-stamp.
Flashing R9mm Receiver Bootloader: • ExpressLRS: Flashing R...
Download the "r9mm_elrs_bl.frk" from github.com/Exp... and flash to the receiver from your raido as shown at the above video time-stamp. You have to connect your RX to your radio via. the S.Port connection to flash the bootloader to the receiver.
Download the LUA script from: github.com/Exp...
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!! R9 UNIT OVERHEATING !!
I stand corrected. ExpressLRS run warming since faster so 1W power overheats: i.imgur.com/0eB8C0A.png
maybe its just my unit, but in really warm weather (direct sunlight) r9m lite module also overheats on max power. Other than everything is great, and I like to say thanks to UAV Tech..and thanks to all the people behind Elrs!
I have two of the R9 modules and one of them was from their 1st batch release. I use to run it at 1w and noticed after a couple of packs that my range got really bad. I would turn off my radio or switch to a non r9 copter and fly a couple of packs or wait like 10 minutes and then my range would go back to normal. I had read they had an issue with the module overheating with the 1st batch. On my second batch module I never had that problem but I didn't use 1w on it cause it was on a nirvana radio and it drained the battery too quick so it never went above 250mw. I think it's been a problem just not too many people knew about it.
UAV Tech I have basic questions:
1.What file is to be uploaded to the R9MM? it only generated files with extension .bin and .elf. for compilation via_STlink. I have F4 on emuflight and NV14 nirvana, I have to do it with frsky STK s.port tool.
Love it! All credit goes to jurgelenas he's the man.
I love this project... thanks to all involved! I have an access R9M and R9 mini that came free with my QX7 purchase. I knew the R9 link was a bit sh1t but free is free right. Its all just sat there gathering dust but now it has a real world use !!! Can't wait to get it up and running. It all looks much easier than before and within my skill set. HAPPY DAYZ...
I like this configurator, it works flawless! My reciever is powered from usb, flashing worked out of the box (i did ask on discord about this and PeHo told me it should work)
Thx good we have You and Joshua! You are the best in this complex and confusing FPV universe))
Fantastic, Mark! Thanks a lot!!! 😃
I may try it later! (I still didn't put my R9 in the firepit, so... Who knows.)
Stay safe there with your family! 🖖😊
Definitely do it!! I flashed my R9 gear yesterday (R9M 2019 and R9MM). Super easy but go back to the bootloader vids first and get those flashed on. I spent more time wiring/soldering the RX than I did configuring/flashing.
@@ronbo422 Awesome! I'm going to do it! 😃
Thanks a lot, dude!!!
Awesome, thanks. I have an r9 that iv been waiting to try this on. Thanks that looks way easier then before.
For anyone concerned when you get to flashing your RX with passthrough and it IS powered by the USB, I just plugged the FC in and ran the BUILD AND FLASH and it worked fine.
Hello,
thank you very much for all your videos which otherwise would not have allowed me to understand things to make a good PID adjustment. I followed your advice and started with one of your presets, (for a 6 inch 4s (alien) and a 5 inch 6s (diatone roma f5) and I managed to adjust them really well by moving the sliders a bit, and VOILA! unfortunately there is a little delay at the blackbox, (so a little delay in everything, but I frankly don't realize it .. and I am in crosfire ..) but they fly wonderfully well, and I thank you again for your work on betaflight, and your very good explanations. ;)
Thanks for doing this video Mark. The new configurator is going to make it so much easier for new users!
Do I need extra hardware beside the R9M module, Do I need to mod it or just flash it? (TX16S)
Great video I’ve had elrs 900 for a month and still haven’t set it up yet do to the configurator seems hard
Thank you guys at expressLRS and UAV tech and ,,l,, to frsky finally :)
so dose the r9m lite have the heartbeat problem? i think it dosnt need the mod to run high hz. great video im a new fan for sure. keep them coming!
I have so many questions... I was hoping to find a full overview of ExpressLRS. I currently have Crossfire and I'm feeling the delay of the DJI video, so I want to reduce latency on the rx. I saw this hit 250hrtz with crazy range so I just bought an (R9? I think, with fan mod and ExpressLRS firmware installed. I'm wondering if I messed up and needed a 2.4 system to reduce latency. Some things I see make me think it can do 2.4 and 900 because of the "Lora chip" or something. That term lora seems to be used anytime the conversation gets confusing. I'll dig through your videos in the hopes I can piece it together.
Also not sure what receivers to get. Thank you. Just started really digging into your content. Love it! thank you for helping all the peoples.
I just finished upgrading my QX7 with R9M 2018 and Slim+ receiver and it worked first time thanks to your videos - much appreciated! There was quite a lot to learn, but the actual process was not too much harder than flashing regular Frsky firmware. Did you end up doing the resistor mod to your Accst R9M for 400k baudrate? Would I need to do that and the QX7/TBS mod to get 400k? What is the downside of 115k v 400k?
115200 seems fine. The next Patreon video this week will show more on that subject.
FINALLY!!!! Thanks for all the work!!
BUT... I cant get my mac to build with out strange yellow code lines that just wont create a pio folder with all the builds...
Something missing, been on two macs and same result... giving this thing a break, its still a step by step steep curve for a total DUMB at code...
Ill be around... I still have my module around... never used it...
Amazing stuff and best project
Thanks for your videos on the topic. I will definitaly jump on ExpressLRS as soon as OpenTX 2.4 is realised. I have one question. Are the R9 receivers can be connected as it was on Fport with a single wire going to a free Tx's FC ? Or do they need to be connected with 2 wires Rx and Tx ?
Rx and Tx
i thank you mark for showing us the way to elrs :) and yeah that configurater is the best thing evver :) although i miss the feeling of kinda being a hacker lol with compiling the firmware lol :)
LOL... whelp, you can still go hack it up if you desire. Tweak some code out first, go nutz with it! :-)
@@uavtech if i would code the only thing that would go nuts is the module or receiver going up in flames lol btw thanks to all devs working hard on elrs :) they do a verry good job :)
Jus bought one r9m tx & rx for expresslRS by watching last video
Great guide !
Hello, great info, I am a bit late here I guess. You said turn off telemtry, to get rid of that huge spike in framerates or whatever it is. i am only racing close up. How do i turn it off in Taranis QX7S? I cant see any option, I am also guessing that it may have all changed now, after 10 months, thanks.
thank you for your informative videos. Have you done the resistor mod on your accst module? Even with a magnifying glass certainly difficult to solder. For me... :)
In have. I have +2 diopter shop glasses. I highly recommend.
Ope here it goes. Was wanting this.
Do you need an access capable radio to be able to use all features of express lrs? I really enjoy watching your videos. Thank you
No. ExpressLRS works on ACCST or ACCESS equipment.
Quick question if you don’t mind, I now there’s a resistor mod needed for the older r9m modules to run at the highest rates, but is there any modifications necessary for my frsky qx7? I see something about a Tbs board but am not sure if I need that to run express lrs at the highest rates. Any help would really be appreciated, thanks.
I believe you need the "Crossfire mod", as the QX7 has been called out on the boards that give all the detailed pics of the mod. I mod'ed my X10S by using those same pages, because I was getting telemetry lost/recovered messages over and over once I flashed ELRS onto my R9M 2019 module. The Crossfire Mod works great! Take your time, keep the wires as short as possible, and you'll be fine!! Good luck.
@@ronbo422 thank you so much for the detailed response, I really appreciate it!
I have flashed my modded qx7 and r9m, also modded. R9 mini on nano talon. Ok only get 10 SENSORS discovered. Inav lua scritp seems to be waiting for data, bu doesn't get any. Aby pointers ?
Edit: couple od adjustments in INAV configurator, new Inav lua 1.7.4 and it's all working fine. 23 sensors discovered. Sweet.
Wait... so do we have to do the bootloader before the configurator method also? Or is that only with the VS method...
Thanks for helping out on this end everything else you do for us!
Yeah, bootloader overlay first.
Starting the ELRS adventure. In the latest Configurator (v0.3.5) they removed R9M UNLOCK HIGHER POWER option. Hopefully, it's now defaulted to always enabled. Also, I already upgraded last month to OTX 2.3.11, which in the release notes it states that support added to flash ELRS modules. Do I need to revert back to 2.3.10 special version listed in your video, Mark?
I was wondering the same thing
Mark, I followed your videos (incl the previous ones about flashing the bootloaders) and I must say.....it went off without a hitch. Well, all except the error I received when trying to flash the R9MM via BF Passsthru. I had opened BF configurator, to set my ports up correctly, and inadvertently left it running. When the ELRS configurator went to sniff out the RX, it errored out. Once I closed BF, all happy now.:) Thanks for the great videos. Can't wait to get home and get that quad in the air and see how it flies on super-low latency.
I'm actually give it a try
Hi, I am using the R9M 2019 and r9 Slim Plus OTA and it is working well but in the telemetry tab I found 10 sensors, it possibly has the complete sensor including the GPS data?
@UAV Tech Mark, will my ACCST X10S radio need the "Crossfire mod" to make this work? A have the part to do it but not sure if my R9M 2019 needs the radio mod'ed in order to successfully migrate over to ELRS. Thanks!!!!
Edit: My X10S did need the Crossfire mod with the R9M 2019, which I took care of carefully. Functions great with the ELRS-flashed R9M.
Finally got the passthrought to work. Had to down load no bootloader button firmware.
Regarding the ELRS versions of OpenTX. Do I still get CRSFShot? I'm currently using Tracer and Crossfire but would love to try out the 2.4 version of ELRS but if I have to keep flashing OpenTX back and forth then it'll get tedious really quickly.
Hello. I tried to flash through st-link, I don’t know whether it was flashed or not. From the box, when power was supplied to it, the module simply glowed red, and when I brought it closer to the computer speakers, a low-frequency hum was heard. After flashing, when power is applied, the module plays a melody and the indicator lights up green, but there is complete silence in the speakers. How can I check, I just haven't bought the receiver yet.
I HAVE THIS ERROR flashing the R9mm
======== PASSTHROUGH INIT ========
Trying to initialize COM3 @ 420000
Warning: 'No CLI available. Already in passthrough mode?'
Wow stop for 6 months and it's all new again. I've used crossfire on my QX7 before(I've done the mod) I bought happy model express lrs 900mhz. Do I have to flash the QX7? Edit: I know I have to, since I put 2.2.4 open tx I have an sd card warning, any advice? I live in the country where internet isn't available, so I have to go to a friend's, or to public internet. Will the happy model module, and Rx also need to be flashed, I just bought them, and I'm not sure how their shipped. Thank you.
Hi and thanks for your videos
I get a windows popup warning about a Trojan virus in the ExpressLRS Configurator downloaded file.
It's that normal or really could be a risk?
Thanks
express lrs can flash any brand 900mhz receiver ? For example R900 mini receiver is use for TS18 !
Do you know what the issue is between R9 and the Jumper T-lite? I know they outright say it doesn't support it, but is it a hardware or software issue? Do you think I could flash an R9 Lite module to eLRS and have it work on a T-Lite?
I'm trying to flash my Taranis Q7 2018 using your video. I receive an inscription FWupdate error no sync.What am I doing wrong?
Got my R9M flashed, resistor and fan modded, flashed the bootloader on to a R9MX using my T16, wired up to a spare FC and battery, it connects through passthrough but fails the write. Can I just flash it with a servo lead and the TX like the bootloader? I don't care about going back to R9.
Hi Sir, yesterday my 5 inch quad suddenly didn't power on when i plugged the battery. It remains still even after changing different batteries. LED Lights also not blinking from FC. I connected in Bheli. There too same response. ESC's could not able read. But i took log through bheli. It says the following:
Flight controller info, identifier: BTFL, version: 4.2.8
Running firmware released on: Feb 15 2021 12:08:36
Board: S405, version: 0
Unique device ID received - 0x4a0049394e500420343942
Reading setup
sending cmd_DeviceInitFlash 0 0
received cmd_DeviceInitFlash ACK_D_GENERAL_ERROR 0 0,0,0,0
received cmd_DeviceInitFlash ACK_D_GENERAL_ERROR 0 0,0,0,0
ESC 1 read settings failed cmd_DeviceInitFlash ACK_D_GENERAL_ERROR
sending cmd_DeviceInitFlash 0 1
received cmd_DeviceInitFlash ACK_D_GENERAL_ERROR 0 0,0,0,0
received cmd_DeviceInitFlash ACK_D_GENERAL_ERROR 0 0,0,0,0
ESC 2 read settings failed cmd_DeviceInitFlash ACK_D_GENERAL_ERROR
sending cmd_DeviceInitFlash 0 2
received cmd_DeviceInitFlash ACK_D_GENERAL_ERROR 0 0,0,0,0
received cmd_DeviceInitFlash ACK_D_GENERAL_ERROR 0 0,0,0,0
ESC 3 read settings failed cmd_DeviceInitFlash ACK_D_GENERAL_ERROR
sending cmd_DeviceInitFlash 0 3
received cmd_DeviceInitFlash ACK_D_GENERAL_ERROR 0 0,0,0,0
received cmd_DeviceInitFlash ACK_D_GENERAL_ERROR 0 0,0,0,0
ESC 4 read settings failed cmd_DeviceInitFlash ACK_D_GENERAL_ERROR
Reading setup finished
By the way, I have soldered 470 u capacitor 35v along with 14 awg leads on FC. I am heavily surprised i could not find a sinlge video on youtube regarding this kind of issue.
How I should figure out this issue, sir?
Thank you!
Raghul
Sounds like the Flight Controller is dead. If no lights on the FC when battery or USB, it is dead. Replace the FC.
Im confused because i want to flash my elrs external nano module which is a betafpv 2.4 nano module and i cant find it under device target in elrs configurator. All its showing are frysky and some ghost stuff.
Don't know what I'm doing wrong but I have spent hours trying to flash my betafpv 900mhz tx with Express elrs 3.0, I've tried using usb and wifi but always get same platformio dependency error, what ever that is. I have flashed many flight controllers, tx and rx never seen anything like this but thanks for video
I am able to flash the module thru S port but when I plug it to the rear module bay, I get no power. Any idea? Internal is off and external is set to CRSF 115K since I don’t have the mod on the radio. I did do the resistor mod on the module… any idea why it won’t come on in the back?
Hi Mark, did you manage to re-test tracer with the new firmware?
not yet. stay tuned though, it is next.
Is flashing the R9 module (RX) a one way trip?
Nope. Not with overlay bootloader flash method.
so if i have the old frsky protocall assett r9 module, can i still buy a newer access RX and flash it with this express lrs and have it work with the older r9m?
Does changing the telemetry ratio increase and decrease the rate of the latency spikes? Or are the latency spikes purely caused by the link sync pulse?
Lower ratio increases the frequency of skipped packets. So have as high as you can.
Hi . so i have a betafpv nano rx 2.4 and i have a hglrc Hermmes Tx module . Will those 2 work together . thanks buddy
If on the same version of ELRS, yes.
Are you planning to a target any PWM RXs, the 3 FrSky R9 RXs in the list appear to be bus receivers. Is that right ?
Ask that question here discord.com/invite/dS6ReFY
@@uavtech I asked the question on the Configurator Github issues list and was told that this software cannot be used without a flight controller. Makes no sense to me.
Would it be possilbe to get Expres LRS working with my Tango2 , R9M Lite Pro, and R9MX & R9 Slim+ recievers? I don't see a version of OpenTX for the Tango2.
is is being cooked up at the moment. See i.imgur.com/XduAqXi.png
when i tried to flash the firmware to radio (frsky taranis x9d plus 2019) i ear a sound like a beep on the radio and after i get a message:
firmware update error
No Sync
the R9M 2019 module is ACCESS
the radio (frsky taranis x9d plus 2019) is ACCST
i need help.
Hi, with this ExpressLRS configurator do we still need to upgrade the OpenTX firmware to the latest one?
I heard that since the latest firmware of OpenTX upgraded, the XM+ receiver will set the range become shortened. How do you feel?
U don't need to, but it is recommended. Never heard that about the XM+. Data on it, or just talk?
@@uavtech Almost one year ago many of my friends feel the same way when they upgraded the OpenTX and the XM+ receiver became shortened for the range. If you have time please kindly observe and find the accurate data...
Where can I find a non betaflight passthrough update of my R9 mini 16 Ch receiver ?
thx
Do I need extra hardware beside the R9M module, do I need to mod it or just flash it? (TX16S)
No extra hardware needed.
Actually, if you just dump the files on the transmitter you can flash straight from the file browser.
Plug in the receiver, flash it.
Plug in the transmitter, flash it.
Done.
But I get it, VSCode or any other "programming" environment is scary for the average Joe :)
Hi Friend, so you mean we no need to upgrade the OpenTX firmwares? Just dump the files and flash it?
Well, you can put the firmware for the ExpressLRS TX module and RX on the transmitter and flash them in the module bay using the "flash external module" option from the file browser.
@@sjoervanderploeg4340 Thanks for your kindly response
what target do i use for the r9 sx receiver ?
I have taranis x9d + with opentx 2.3.14.and r9m 2019tx and r9mm rx flash with expresslrs do i need setup some option on my taranis or only crsf on it?
ELRS uses the Xfire protocol. So use Crossfire setting in OpenTX.
Hello brothers in ExpresLRS. I flashed my R9m 2018 and jumper R900 mini with ExpressLRS through passthrough. All working ok exept two things. Where are only 14 telemetry strings without GPS telemetry and elso I catching failsafe in the radius 50 centimeters after 5 minutes. Does Jumper R900 mini has a GPS telemetry and how can I fix a faillsafe?
Sorry fo my bad english ))
I would ask the guys on the ExpressLRS Discord.
the jumper T18 have a 915mhz module that as far as i know is R9 compatible ( same chipset i think ) ) , what would be the right bin to flash it for ELRS
The Jumper ones: i.imgur.com/arrNMzT.png
@@uavtech those say RX, doesn't suppose to say TX to flash a TX module instead of a receiver ( RX ) module, what i am missing here 0.0
At target list 0:59 .Does target Frsky_TX_R9M_LITE_PRO_via_STLINK work? Is it possible to use ExLRS on R9M Lite Pro modules? On the github it is still listed as "IN DEVELOPMENT"
ask the devs on Discord. But if it is there, i assume you can flash it with the RC2 version.
not supported yet
would be great to get that operational
Can I control 6 channels (4 for controls and 2 for gimbal) analogically with ExpressLRS?
Good question for the Discord.
I found a bug with elrs. If you run your armimg switch opposite of how most people do, meaning armed is away from you and disarmed is toward you, elrs doesnt like that and it will not initialize and you will just get the red light on for 3 sec, off for 3 sec
Report it on Githib repo.
@@uavtech already reported it on the discord. The admin said he would add it to the github/wiki
Can you use the same binding phrase on 2 radio’s? So i can switch radio’s without rebinding?
Yep. Because it is part of the module.
So if you flash two tx modules with the same firmware, they are both bound to the same rx 🙂
Exactly
That’s just mega, super awesome!!! I’ve bought an x-lite with r9-lite as a second radio a few months ago. Stupid me didn't thought things through.. Thanks !!!
@@boactech3076 You could hand off an airplane to a 2nd pilot who's, say, 30km from your location.
my taranis x9d-Plus came up with an error Firmware update error Nosync [Exit]
ExpressLRS discord. Did you flash overlay bootloader?
This typically means that the file you are trying to flash is corrupt/invalid.
Make sure that you download the r9m_elrs_bl.frk file (14 KB) from here: github.com/ExpressLRS/ExpressLRS/blob/master-dev/src/bootloader/r9m_elrs_bl.frk
If you try to download the file by right-clicking the link listed in step 2 here github.com/ExpressLRS/ExpressLRS/wiki/Flashing-R9M-TX rather than clicking that link which takes you to the GitHub page, you will get a 109 KB file that when trying to flash will give you the NoSync error.
I tried both methods but I get the same error for r9mini uploading the Code. Any suggestions for me?
ExpressLRS Discord.
So do you have to flash bootloader to the r9 mini
Yes
well what wich one do we down load to get the configurator?
I'm now following. Depends on which OS you are on.
revert to frsky after stlink? can be done? i did flash mine via stlink and in case sell radio and asked frsky can i revert?
No. Only eith bootloader overlay method. Confirm with devs.on Discord though.
@@uavtech so i can flash the bootloader with opetx dedicated version than reflash it by radio?
Hi Guys!
I need your help.
I have a QX7 Radio with R9 2019 and a R9 2018 module as well.
I am using a matek722SE as an FC and I have an R9 mini.
SBUS working / F.Port working / Smart port working.
But I can not get the receiver to enter the bootloader mode &@##& with passtrough.
The receiver is flashable with my tx and it doing its job.
Does anyone has a similar issue?
What am I doing wrong?
I use my r9m on nun open Tx transmitter „fsi6“ ( ppm mode ) . Can i upgrade to express lrs ? Is it compatible with ppm mode ? Help please.
discord.com/invite/dS6ReFY
@@uavtech thanks a lot for your help 😊
how about i use r9 slim + ota receiver. what should i connect to FC: or just: ground, vcc, TX, RX, ( for fport use is only use a TX on FC its doesnt matter ?) or it must RX and TX wired in FC
Check out the express discord for help: discord.com/invite/dS6ReFY
@@uavtech elrs have 2watt power option in Rx, can it work
You need to do the cooling mod. It is not unlocked, but it is opensource, so can be. Ask in the discord.
Why can't you just power the receiver immediately when flashing with betaflight passthrough?
I think you can, if your bind button works. But mine, and many other R9mm's, are broke.
Hi need help! 😭 i follow your instructions step by step but when i flash it, it only says copy rename and delete on may tx. Im using x9d plus please help. Thank you.
Go to the ExpressLRS discord, link in the description, for help.
@@uavtech thank you.
This is due to the "r9m_elrs_bl.frk" file not being flashed to the external module first. Since UAVTech already had done this he left it out of the video. The actual directions github.com/ExpressLRS/ExpressLRS/wiki/Flashing-R9M-TX call this out.
@@djbkom hi! Yes i already did flash bl frk file but now im having trouble to bind it. Also did the right wiring to my rx. Discord guys are helping me also thanks man.👍
so i am having a problem dowloading the configurator for windows, keeps saying that its not safe for the computor...any work around?
That is odd. You should be able to hit advanced and continue anyway.
Make sure you are grabbing from here: github.com/ExpressLRS/ExpressLRS-Configurator/releases
@@uavtech i went to that link you sent and downloaded it, forced my pc to keep it but now it refusess to run it. dang i really want elrs... any othe ideas
@@2_stixs-fpv680 mine had the same problem, you have to get the expresslrs setup configurator, you have to tap options each time an hit run anyway
can you flash slim plus just via tx sport ?
Not sure. Ask on the ExpressLRS Discord
@@uavtech sorted was using sbus with sport on a soft serial, just switched over in receiver plug to tx rx position and did pass through! Beautiful! I, m using inav too and telemetry not so bad either 😜
I have a FrSky Access radio (x9 lite). Will ExpressLRS work?
ExpressLRS go through an external module so as far you have a bay and a compatible module, you can run it
Yes, i have that radio with the R9M Lite. Running max 50mW
@@L00n3y2010 do you using express lrs on r9m lite and xlite? Works great? How far can fly? Any failsafe?
@@rodrigokavazuro6012 I haven't had failsafe's yet. Mostly flying in parks, bando's etc, so i really can't talk about range as i stay within 1-2KM range.
I don't have the x-lite radio though(i have the x9 lite), but the r9m lite module works WAY better with expresslrs then with the original firmware
always attemping to bootloader.... my rx flash red normaly whne usb plugged in,
were you able to get it to work?
@@RANDOM_MAG yes
@@RANDOM_MAG i used my old flight coltroller and it works...
What would have happened if FrSky hat skipped Access and ACCSTv2 and had stayed the opensource route. If they would have been the first who builtin ExpressLRS into their Transmitters than they still would be the leading elephant. Even if they are more expensive - the Gear Akquisition Syndrome of many people would habe bought the First Implementation of new stuff.
got the build to work but when i go to flash it says fw update error nosync
Checkout the discord for help: discord.com/invite/dS6ReFY
@@uavtech i fiugured it out. i had to flash the r9m_elrs_bl.frk to ext module first before i flashed my build from the configurator.
@@JLfpv oh good. Yeah, i mentioned having to flash overlay bootloader.
What did I do wrong if it said build failed?
Ummm... ask on the ExpressLRS discord.
@@uavtech in elrs config in the left side tabs there’s a option to clear platformio dep. then try again (it’s what your suppose to do if you brick it by powering off while the flash was in process..
I get " FW update error NoSync"
Go to the ExpressLRS Discord. Link i description for help.
@@uavtech gone
keeps saying flash error...
👍👀🇭🇷
dear developer this video is the main tool for updating the R9M 2019 module or you need to follow the instructions of the previous video ua-cam.com/video/vdoVFcmHq8Q/v-deo.html
As cover, both work fine. But this one is easier.
can the rx be flashed with the transmitter?
The bootloader overlay, yes. But after that, use pass-thru for the firmware.
That's not easy. Crossfire easier to use.
If I want to change R9M 2019 back, can I do it?
Yup, if you do it through the overlay bootloader method as shown.