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Updating the Leader 120 (or most other micros) with Betaflight 3.5.0 'performance edition'

23/8/2018

17 Comments

 
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Hopefully you've seen my announcement here about the 'performance edition' of the betaflight target for Onmnbis F3 flight controllers as used in the Leader 120 and pretty much every other micro quad that runs an F3 board with OSD (including the Emax Babyhawk R and MANY others). This differs from the stock version offered bia the betaflight configurator in that it includes the fatastic new features that made betaflight 3.5.0 really shine - iterm relax and rc smoothing in particular plus the return of LED control. These were openly available for betaflight 3.4.0 but not for 3.5.0 until sbstnp kindly re-compiled for the community and shared on RCGroups.

Further to this I've installed on my recently revised Leader 120 and confirm that it does indeed allow these important features that were otherwise unavailable - see below.

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I-term relax is not available in default 3.5.0 for omnibus F3 targets due to space constraints
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RC smoothing is not available in default 3.5.0 for omnibus F3 targets due to space constraints
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Custom version of betaflight 3.5.0 hex linked here does allow i-term relax and RC smoothing
How to install
I'm going to assume that if you are reading this you kinda know how to update betaflight firmware on your quad so will take a few liberties. Firstly, download and unzip the file below to your desktop. Please note this version is only suitable for FRSKY receivers - leave a comment if you want me to link FLYSKY or spectrum too.
betaflight_3.5.0_omnibus.hex.zip
File Size: 282 kb
File Type: zip
Download File

Next, go to the firmware update page in betaflight configurator (preferably configurator 10.4 on) Choose "Load Firmware [local]" and choose the unzipped hex file from the first step. ​If things grind to a halt here run the Impulse RC Driver Fixer to allow your computer to access your FC DFU
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Make sure you unzip the file first
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I had to run the impulse RC driver fix, so much better than the old Zadig method
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Should look something like this when updating
That's kind of it, you're done. Now you can enable all of the options that made 3.4 a real improvement for larger quads plus the improved dynamic filter from 3.5.0 which is more sympathetic to micros and the new feedforward system that allows you to better control the 'feel' of the quad without having to mess with PIDs so much. I'd strongly recommend reading the tuning guide for betaflight 3.4 and the tuning guide for betaflight 3.5 since there are many new features that improve flight performance. Just a quick note you can run Gyro/PID loops at 8k/4k with all new features on at 48% CPU and 4k/4k at <20% CPU as below
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Please feel free to browse the rest of my site, I now have almost 100 reviews and tips/tricks blogs as well as a regularly updated specials and discounts page.
17 Comments
Petr
23/8/2018 05:39:30 pm

Yeah, i would like to have FLYSKY HEX as well, if possible!

Reply
QuadifyRC
29/8/2018 03:24:33 pm

https://github.com/spatzengr/Betaflight-Stable_F3_Performance_Editions/releases/tag/3.5

Reply
QuadifyRC
24/8/2018 02:42:04 pm

Just been released here:

https://github.com/spatzengr/Betaflight-Stable_F3_Performance_Editions/releases/tag/3.5

Reply
Robert
8/9/2018 12:05:21 am

Any chance for spektrum sattelite users ?

Reply
QuadifyRC
8/9/2018 07:22:12 am

Hi Robert, this version is optimised for ALL receivers:

https://github.com/spatzengr/Betaflight-Stable_F3_Performance_Editions/releases/download/3.5/betaflight_3.5.1_OMNIBUS_Performance.hex

Reply
Robert
8/9/2018 09:17:24 pm

Thanks. I'll give it a try!

WildDoktor link
13/9/2018 07:26:55 am

Just wanted to say thanks! The leader 120 will be my first betaflight-equipped drone, so I've been reading and watching like mad to be prepared when it arrives in a couple days. I have this page bookmarked!

Reply
QuadifyRC
17/9/2018 03:46:56 pm

Not a problem. I've seen your posts in RCgroups and love your thirst for knowledge. On this page I've recommend some cheap upgrades to the leader 120 that I've experimented with in the year I've owned it. http://quadifyrc.weebly.com/tips-and-tricks/my-leader120-is-a-year-old-what-ive-changed-in-that-time

Reply
Wilddoktor
19/9/2018 07:09:27 pm

Thanks! Well, then you know I have it and am banging it around like mad now. :-) Tonight I'm messing with Betaflight again trying to make the LED work. Do you have any idea how to do this, or what a good function for the LED is? Other than just having a cool blue light? :-)

Wilddoktor
19/9/2018 08:38:10 pm

Oh...nevermind! I just figured out that the led is part of the buzzer, and all it does is blink when the buzzer is triggered. For *real* leds, you have to buy some leds and wire them to the led pads. Then you can set them up in BF.

Mark Spatz (UAVtech)
17/9/2018 06:47:23 am

Release link changed: https://github.com/spatzengr/betaflight/releases

Reply
QuadifyRC
17/9/2018 03:44:48 pm

Thanks for the update Mark and all that work that you do, especially in the education side.

Reply
Tyson
28/10/2018 05:50:23 am

Thanks for these. Using your 3.5.1 build on a leader 120 that I picked up on sale and it flies great with it

Reply
QuadifyRC
28/10/2018 09:45:49 pm

Glad you like it. Check out the article below for all the mods I have done on the Leader 120 in the last year:

http://www.quadifyrc.com/tips-and-tricks/my-leader120-is-a-year-old-what-ive-changed-in-that-time

Mark Spatz
18/9/2018 05:18:54 am

No problem, happy to help!

Reply
Wayne Eisner
20/2/2020 10:23:16 am

Good afternoon,
Just came across your write-up & wanted to know if this BF performance edition for a FURYF4 osd target? Thanks for your time.

Reply
Quadify RC
20/2/2020 10:26:12 am

If you have an F4 target you have an updated flight controller and can use regular betaflight with all the features since you have the faster F4 processor with more memory. You don't need this workaround :)

Reply



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