Dale Larson has built a version of BF 4.3.1 with ELRS 3.0 code built in. I strongly recommend using this instead of the BF 4.4 nightly build, since nightly builds may not be stable. Download the hex files at: github.com/DLLarson/betaflight/releases/tag/BF-4.3.1-with-elrs-3.0

Thank you so much!!! I've been struggling with my Mobula6 ELRS all day trying to pair it with my Radiomaster TX12. I was at my wits end wondering if I had a broken tinywhoop. This video got me flying! You're the best (and yes, i did learn something today!)

What fantastic timing I was just about to do this!! Edit: Think il wait for the proper integration into BF

Airmode is different in 4.4 make sure you read how to tune it properly. P integration to I is working well for me, and I love it. I have been running it for a month ish and it is great. 4.4 code changes aren’t super major so I wouldn’t worry too much, but as always be safe and test slowly especially CLI P tuning airmode. Good luck pilots. And thank you amazing developers. ❤❤❤ Thank you JB! Edit: good point! I noticed ELRS3Lua defaults to model match, make sure to turn it off if you don’t use it.

THANK YOU i was holding off on updating to 3.0 and now i jst did my MOBULA 7 & DARWIN FREESTYLE HDZERO BUILDS NOW MY WHOLE FLEET IS ELRS 3.0, YOU MAKE STUFF SO EASILY.

Excellent video, Joshua! Thanks! 😃 Stay safe there with your family! 🖖😊

I really appreciate videos like this one, and it's the sort of video that pushed me over the edge to being a Patron. Thanks especially for answering the question I was about to go hunting the interwebz for: When does BetaFlight 4.4 come out. I'll probably wait until it does assuming November or December since my 2.4ghz whoop and planes are doing just fine for the moment, but it's great to have this in my back pocket if I really want to do something that needs the 3.0 features before then.

Another helpful video, thank you!

worked perfectly! Thanks JB :)

I just got a mobula 7 1s today and i couldn't get this to work at all. I found that a release candidate just came out today! flashing to that using the daily build of the latest betaflight configurator fixed it. It even lets you put in your binding phrase in the receiver tab!😀

I'm really glad they worked it out so we could get 3.0 on SPI receivers. The fracture wasn't good for the users or the project. Now we just need Betaflight to release 4.4. =D

ELRS is totally the future

Thank you so much Joshua.

thank you for this. i will probably buy the Boxer Radiomaster because of this. This is my issue because most of my HappyModel quads are in v2 ELRS

U are awesome! Thank you!

Cool! I thought the “fix” was going to be to solder on an external receiver!

Looking for exactly this!

This is Wonderful \o/

Can't use betaflight over wi-fi on spi? So, spi is a total no-no! Thanks, JB! Learned something today!

Killed my new 1S F4ELRS V1 trying to switch. Can't recommend trying !!!!

I think this should be updated because Betaflight 4.4 is in rc2 currently and very close to release. Edit: I posted this 5 days ago and its been in RC3 for 2 of those days at least. Just around the corner!

Hi Josh, I was wondering if they have an ELRSv3 to flash the receiver? Instead of doing nightly builds

JB I need to learn where your intro clip went... Today! 😁

Seems to me this is a big flaw in SPI ELRS - it's a moving target. Presumably it will happen again at 3 to 4, and so on, because it is under continual development. I'm considering building a 75mm whoop at the moment, and one of my criteria will be to use a NoRX board and an external ELRS RX - or just stick to FrSky onboard versions.

I'm just gonna stay at 2.5.1 till a legit version comes up. If I can't flash all my quads then it's not ready imo. I have a long range 4 inch, a freestyle 3.5, a 2 in toothpick and a nano explorer. So I really don't mind waiting around till betaflight 4.4 comes out.

Oh, i just came across this video in my suggestions... Few days after i solved it for moblite7 that i just received. First off all i wasted 2 hours trying to bind it and trying to learn what happens, but then when i realized what happens, I just took old tx module to tx16s and flushed elrs2 on it. I decided to not take nightly builds. This is old video, older than i expected. BF is still not released :(

Can 4.4 run 2.5.1 elrs? I'm having some weird issues in 4.3.1my gyro doesn't work and elrs does but in 4.3.2 the gyro comes back but then elrs has an error in cli. I've managed to get both elrs and gyro working on 4.4 but can't get it to bind. Running 2.5.1 on my zorro would upgrading to the newest elrs solve my issue?

Yup already I did this to a mobula 7 1s and a Happymodel Crux NLR with zero problems, but remember the firmware is beta (with all the attended risks).

hey Josua, i have a jr 10x radio, i buy a emax elrs module but i dont know how can i work, flashing like bind but in beta fly dosent work, after 60 seconds star the wi fi mode, can you help me?

Been stressing... My 2.4 flash was corrupted.. was trying to get 2.51 working... just staring at 3.0... "Learning something today"

Would I need to follow this procedure to update my Mobula 8 with built in Elrs ?

This code has already been merged into the nightly builds of 4.4. That assets file is not needed anymore. You can see the "merged" on the Pull request page.

My Meteor 65 (2022) has F4 1S 5A Serial ELRS V2.0 FC. It won't let me add to the CLI. Is this what this video addresses? Thankk you.

You know I'm not good at this, so I've been putting it off. If I screw it up, would you fix it and take a rack of baby back ribs for payment?

Help Joshua ,I have put dave larson 431 on my mobeetle diamond f4 elrs spi and now no Gyro ???? ,brand new drone ,i have tried to go back flahing it to a stable relese and still no gyro ? Cna you help me ?

My DJI goggles V2 just started displaying "image transmission signal lost". This is with the GepRC cinelog35. Do you have a video on that or possibly make one?

Currently debating on staying with the DJI radios, or switching to ELRS. I started with QX7, and toyed with a X9 Lite, but gave both of those away when I started flying the DJI v1 radio. Super long battery life, button integration with goggles, and no reciever needed for my whoop conversions. But now with v3 AU coming, it's unknown if it will support DJI RC2, and RC2 doesn't have the button integration with the goggles. I may be building mostly new quads and getting rid of the current ones along with the v1 controller and v1 goggles. My Goggles 2 should connect to the Vistas (eventually), but my v1 RC likely won't connect to the v3 AU. So this is my interest in your ELRS SPI video. My most recent build has an ELRS SPI reciever on the whoop board. I didn't use it, but it should be fairly easy to swap over to. What's funny is the DJI v1 radio used to seem ultra expensive, but now when I look at ELRS radios to replace it, the DJI RC2 is actually on the cheaper side. EDIT: I see I was just mostly noticing all of the different TX16 models. There's several other transmitters in the $100 range.

I've tried the nightly build on my Meteor65 and it doesn't fly as good as before and my range is about 25 meters before I get a failsafe. I was able to fly a lot further on 2.x.

All i keep getting is, Rebooting to Rom Loader. And im unable to flash or bind My Happymodel Bassline. Any ideas? cheers

I’m looking for a moblite 7 with elrs but I only find the frsky version 😢

Another great video, thumbs up, I successfully flashed the larson file and my Mobula 7 1S is bind to the elrs V3. When I tried the same thing for meteor 85 2022 hdzero, bam I got no gyro, I flashed with the betaflight_4.3.1_BETAFPVF4SX1280 hex file. What am I doing wrong here?

Hi Joshua. I am new this things. So may be i ask stupid question but can i bind mobula7 frsky wth R9M?

mobula 6 elrs, can't get it to flash the firmware. It says 'rebooting to rom bootloader' then 'failed to open serial port' It's not a port issue, I can connect to it just fine. It seems something goes wrong in the rom bootloader. Any help would be greatly appreciated. Edit: It was a driver problem. Apparently when it boots into bootloader mode it requires the installation of another copy of the driver software for that specific connection. Ended up just using Zadig to install it.

Guys I'd be VERY hesitant to do this if you're running the BetaFPV ELRS 1S board with the old "Gyro" yaw issue. I had worked around and had the board running fine on 4.3. Updated to 4.4 to have the latest ELRS 3.0 firmware. Ended up rolling back to ELRS 2.5.1 & Betaflight 4.3 as i didn't like the feel of 4.4 and BAM. Dead Gyro! PLEASE BE CAREFUL! 👽

Had to use a CLI dump on some of my whoops (hamo and betafpv) after flashing generic hex files. The "regular" configurator GUI backup/restore does not contain all relevant settings! Also, but that has nothing to do with the above, just mentioning: I have two Mobeetle6, but on one the BMI270 (gyro) seems to be defect. After reaching about 55°C core temp it starts to become unflyable, introducing very heavy drift and jitter in the gyro sensor signal. The interesting fact is, that this behaves different on two identical models. Same HW, same FW, same config. One HAMO board is ok, even over 60°, the other is only flyable below 55... Already wrote this to HAMO, they will send me a replacement board. And no - i did not damage the gyro with the kown BF RC6 bug... ;)

how about tmotor f4 aio 6A..... what work with this firmware

All this time I've been reading it as "crazy beef"...

my mobula 7 1s seems to be in a "beginner" mode where i cant pitch/roll more then about 20 degrees. how do I change/ disable this in betaflight?

Met some dude who thought he's so smart that a T-Lite with built-in ELRS paired with a Mobula 6 would work together, so he could have the newer flashier compact radio running cutting-edge ELRS 3 (RC1) and a compact drone with SPI RX to save some weight - NOPE. - 2.x FW does not exist for the built-in module - SPI RX (on BF 4.3.x) doesn't work with ELRS 3.x He ended up adding an EXTERNAL RX

Great tutorial. But still need help. I followed you till the momen when you added a command in CLI window. I wrote " get expresslrs". And I got "###ERROR IN get: INVALID NAME###" I tried other commands related with ESLR, but nothing.

Please help. I can’t bind tinyape to pocket radio

my betaflight will not flash a local hex file it just sits there and doesnt load

Any idea if this works for binding to eu-lbt radios? Or id there is an option to flash a bf version that supports eu-lbt? If not i’ll just fly illegally 😂

That's not really a nightly, more a test build. You can flash a nightly directly from BF Configurator without downloading a firmware, just need to tick thr devdlopmenf/expert mode opts in the firmware flasher. But that PR build is a better one to get a bunch of people to use, and report issues with. I. E. A fixed point in time, rather than a moving target (which nightly? What else has been changed?) And if we're talking whoops here.. They bounce well! 🤣

4.4.2 has been released and it still doesnt work..... ELRS 900 flashes one way and ELRS915 a totally different way one uses BF pass thru or FTDL(?) and the other is WiFi or USB ( if you are lucky enuf to get wifi to show up) Ive tried every combination and no joy... BF will flash the FC, but ELRS cant find the Rx on the FC, so no Rx flashing is going to happen, the built in Rx was a bad idea, BF sez its a serial but happy model sez its SPI and the mobula6 box sez its a 900 and on the other side of the box it sez its 915... so basically there are 10 different combinations to choose from to flash and plus the boot button on the FC broke and I had to solder wires to replace it, now I have 2 wires sticking up that need to touch each other when it comes time to "boot" mode it... the only thing this is good for at the moment is a FPV transmitter... maybe Ill hot glue the FC to my 35$ cheap quad and have working FPV for it...

It has taken entirely too long to get SPI ELRS upgraded on BF. Has been holding me back from building tiny things because I refuse to buy more FrSky stuff.

I flashed with the 4.3.1 version as suggested in the update, although following flashing i can't connect the drone (mobula 6) to betaflight and apply customer defaults. Has anyone else experienced this and found a solution?

Is it possible to put crossfire to a tiny whoop? Really want to try that

i'd like to know how to get expressLRS 3.0 on my LiteRadio TX....

We need ELRS video 😖

What’s the best module to get for the xd9+ ?

Unfotunately, I can't upgrade my Mobula 7 HD up to Elrs3.0. I use internal SPI RX (FrSky_D D8). When I've started upgrade on my Jumper T16 TX it shows "Not enough space". So I user Elrs 2.5.1 on TX and write it on RXs.

Second!

Trying this on my mobula 7, but after flashing, drone fly's away after arming no matter what I do. Anyone had similar issues?

Can I put expresslrs on the mobula7?! Do I need a new rx?

0:55 I'm Ron Burgundy?

First !!

And we want to switch to this from crossfire why? 😂 🎉

my first elrs experience was realy bad ep2 receiver bad flash could not fix it in any way. elrs= burning money

lol...DVDA🤣🤣🤣

It's hard not to spit every time I hear the word ExpressLRS! Buggy software, junk equipment and an upgrade that causes a whole bunch of new problems that didn't fix the old one's. All this grief over a receiver. IMO it makes FRsky D8 look damn charming in comparison. At least the D8 would fly across the yard before it lost signal and fell out of the sky. This BS ELRS can't seem to make it away from the computer table 😒

Way to early to be recommending flashing 4.4, irresponsibly so IMO. Current discussion from Chris Thompson in the testers channel on BF discord "- The BAD one: with the latest master code, I got random D 'grinding' and flyaways on arming, and occasionally mid-flight. Log shows extreme resonance on roll, happening randomly. This is on a quad that has never, ever, had this issue. The older master code (from before some recent PR's) has been entirely problem free. It may only be a problem on my F411 board with CPU load or something, not sure." Guys this is an exciting feature but we need to wait until we are closer to the feature freeze to recommend people go flashing nightlies and literally pre-alpha hexes 🤦🫣