Betaflight 4 3
Author: e | 2025-04-24
Cleanflight is software that is open source and is available free of charge without warranty to all users. Cleanflight is forked from Baseflight, Cleanflight was forked by Betaflight, Cleanflight is again forked from Betaflight. Cleanflight 4.x - betaflight 4.x - Cleanflight v2.x - Betaflight 3.x - Cleanflight v1.x - Baseflight - MultiWii
Release Betaflight 4.4.0 betaflight/betaflight - GitHub
As of Betaflight version 3.3.0, the CLI settings below can be used toconfigure addressable video transmitters (such asTBS-SmartAudioandIRC-Tramp)that are connected to the flight controller.At startup the settings are applied to the transmitter. If the videoconfiguration is modified via the CMS OSDmenuor via MSP (Taranis/OpenTX smartport'lua'), thesettings are updated.One nice thing the settings can provide is a way to configure afrequency (via USB / CLI) while the video transmitter is not poweredup. After a save and power cycle, the system will startup at the newfrequency.There is a 'vtx_freq' setting that operates as follows: Ifvtx_band=0 and vtx_freq!=0 then the 'vtx_freq' value (in MHz) will beconfigured on the transmitter at startup. If both are zero then thesettings will be ignored. If vtx_band!=0 and a video transmitter isconnected then 'vtx_freq' will be set to the current frequency value(in MHz) at startup.\noteValues for settings like vtx_band, vtx_channel, vtx_power are relevant for Betaflight versions prior to 4.1 which had these default values built in. In Betaflight 4.1 and newer to control your VTX you must configure a VTX Table in which you define your own bands, channels and power settings based on local regulations.vtx_band = #Allowed range: 0 - 50=user, 1=A, 2=B, 3=E, 4=F(Airwaves/Fatshark), 5=Racebandvtx_channel = #Allowed range: 1 - 8vtx_power = #Allowed range: 0 - 5for SmartAudio: 0=25mW, 1=25mW, 2=200mW, 3=500mW, 4=800mWfor TBS Unify Nano: 0=25mW, 1=25mW, 2=50mWfor IRC-Tramp: 0=25mW, 1=25mW, 2=100mW, 3=200mW, 4=400mW, 5=600mWvtx_low_power_disarm = ON|OFFIf ON and the flight controller is disarmed, the video transmitter output power will be set to its lowest value (vtx_power=1). Otherwise, the video transmitter output power will be set to the configured 'vtx_power' value. (Note one exception: If a receiver failsafe has occurred then the output power will not be lowered.)vtx_freq = ####Allowed range: 0 - 5999if vtx_band!=0 and VTX connected then shows freq in MHzif vtx_band==0 then sets frequency in MHzif vtx_band==0 and vtx_freq==0 then the settings will not be sent outto the VTXFor example, to configure the VTX to use band 'F' and channel '6' (5840MHz), enter the CLI and input:set vtx_band = 4set vtx_channel = 6saveThe VTX configuration will not be changed until after the 'save' andrestart. If it is successful then entering 'get vtx_freq' will showthe current frequency value in MHz.Frequency table:Channel1 2 3 4 5 6 7 8Band 1: 5865 5845 5825 5805 5785 5765 5745 5725 (A: Boscam A / TBS /RC305)Band 2: 5733 5752 5771 5790 5809 5828 5847 5866 (B: Cleanflight is software that is open source and is available free of charge without warranty to all users. Cleanflight is forked from Baseflight, Cleanflight was forked by Betaflight, Cleanflight is again forked from Betaflight. Cleanflight 4.x - betaflight 4.x - Cleanflight v2.x - Betaflight 3.x - Cleanflight v1.x - Baseflight - MultiWii New release betaflight/betaflight version 4.3.0-RC3 Betaflight 4.3.0 Release Candidate 3 on GitHub. Building in Mac OS X can be accomplished in just a few steps:Install general development tools (clang, make, git)Checkout Betaflight sourcecode through gitInstall ARM GCC compilerBuild the codeOpen up a terminal and run make. If it is installed already, you should see a message like this, which means that youalready have the required development tools installed:make: *** No targets specified and no makefile found. Stop.If it isn't installed yet, you might get a popup like this. If so, click the "install" button to install the commandlinedeveloper tools:If you just get an error like this instead of a helpful popup prompt:-bash: make: command not foundTry running xcode-select --install instead to trigger the popup.If that doesn't work, you'll need to install the Xcode development environment from the App Store. Afterinstallation, open up Xcode and enter its preferences menu. Go to the "downloads" tab and install the"command line tools" package.Checkout Betaflight sourcecode through gitEnter your development directory and clone the Betaflight repository using the "HTTPS clone URL" which is shown onthe right side of the Betaflight GitHub page, like so:git clone will download the entire betaflight repository for you into a new folder called "betaflight".Install ARM GCC compilerTo install the needed compiler you just need to enter the betaflight directory and run make arm_sdk_installBuild the codeEnter the betaflight directory and run make configs to retrieve board targets then make MATEKH743 tobuild firmware for the MATEKH743. When the build completes, the .hex firmware should be available asobj/betaflight_4.6.0_MATEKH743.hex for you to flash using the Betaflight Configurator.Updating to the latest sourceIf you want to erase your local changes and update to the latest version of the Betaflight source, enter yourbetaflight directory and run these commands to first erase your local changes, fetch and merge the latestchanges from the repository, then rebuild the firmware:git reset --hardgit pullmake clean CONFIG=MATEKH743make MATEKH743Comments
As of Betaflight version 3.3.0, the CLI settings below can be used toconfigure addressable video transmitters (such asTBS-SmartAudioandIRC-Tramp)that are connected to the flight controller.At startup the settings are applied to the transmitter. If the videoconfiguration is modified via the CMS OSDmenuor via MSP (Taranis/OpenTX smartport'lua'), thesettings are updated.One nice thing the settings can provide is a way to configure afrequency (via USB / CLI) while the video transmitter is not poweredup. After a save and power cycle, the system will startup at the newfrequency.There is a 'vtx_freq' setting that operates as follows: Ifvtx_band=0 and vtx_freq!=0 then the 'vtx_freq' value (in MHz) will beconfigured on the transmitter at startup. If both are zero then thesettings will be ignored. If vtx_band!=0 and a video transmitter isconnected then 'vtx_freq' will be set to the current frequency value(in MHz) at startup.\noteValues for settings like vtx_band, vtx_channel, vtx_power are relevant for Betaflight versions prior to 4.1 which had these default values built in. In Betaflight 4.1 and newer to control your VTX you must configure a VTX Table in which you define your own bands, channels and power settings based on local regulations.vtx_band = #Allowed range: 0 - 50=user, 1=A, 2=B, 3=E, 4=F(Airwaves/Fatshark), 5=Racebandvtx_channel = #Allowed range: 1 - 8vtx_power = #Allowed range: 0 - 5for SmartAudio: 0=25mW, 1=25mW, 2=200mW, 3=500mW, 4=800mWfor TBS Unify Nano: 0=25mW, 1=25mW, 2=50mWfor IRC-Tramp: 0=25mW, 1=25mW, 2=100mW, 3=200mW, 4=400mW, 5=600mWvtx_low_power_disarm = ON|OFFIf ON and the flight controller is disarmed, the video transmitter output power will be set to its lowest value (vtx_power=1). Otherwise, the video transmitter output power will be set to the configured 'vtx_power' value. (Note one exception: If a receiver failsafe has occurred then the output power will not be lowered.)vtx_freq = ####Allowed range: 0 - 5999if vtx_band!=0 and VTX connected then shows freq in MHzif vtx_band==0 then sets frequency in MHzif vtx_band==0 and vtx_freq==0 then the settings will not be sent outto the VTXFor example, to configure the VTX to use band 'F' and channel '6' (5840MHz), enter the CLI and input:set vtx_band = 4set vtx_channel = 6saveThe VTX configuration will not be changed until after the 'save' andrestart. If it is successful then entering 'get vtx_freq' will showthe current frequency value in MHz.Frequency table:Channel1 2 3 4 5 6 7 8Band 1: 5865 5845 5825 5805 5785 5765 5745 5725 (A: Boscam A / TBS /RC305)Band 2: 5733 5752 5771 5790 5809 5828 5847 5866 (B:
2025-04-14Building in Mac OS X can be accomplished in just a few steps:Install general development tools (clang, make, git)Checkout Betaflight sourcecode through gitInstall ARM GCC compilerBuild the codeOpen up a terminal and run make. If it is installed already, you should see a message like this, which means that youalready have the required development tools installed:make: *** No targets specified and no makefile found. Stop.If it isn't installed yet, you might get a popup like this. If so, click the "install" button to install the commandlinedeveloper tools:If you just get an error like this instead of a helpful popup prompt:-bash: make: command not foundTry running xcode-select --install instead to trigger the popup.If that doesn't work, you'll need to install the Xcode development environment from the App Store. Afterinstallation, open up Xcode and enter its preferences menu. Go to the "downloads" tab and install the"command line tools" package.Checkout Betaflight sourcecode through gitEnter your development directory and clone the Betaflight repository using the "HTTPS clone URL" which is shown onthe right side of the Betaflight GitHub page, like so:git clone will download the entire betaflight repository for you into a new folder called "betaflight".Install ARM GCC compilerTo install the needed compiler you just need to enter the betaflight directory and run make arm_sdk_installBuild the codeEnter the betaflight directory and run make configs to retrieve board targets then make MATEKH743 tobuild firmware for the MATEKH743. When the build completes, the .hex firmware should be available asobj/betaflight_4.6.0_MATEKH743.hex for you to flash using the Betaflight Configurator.Updating to the latest sourceIf you want to erase your local changes and update to the latest version of the Betaflight source, enter yourbetaflight directory and run these commands to first erase your local changes, fetch and merge the latestchanges from the repository, then rebuild the firmware:git reset --hardgit pullmake clean CONFIG=MATEKH743make MATEKH743
2025-04-18Betaflight supports different rates models. A rate model is the mathematics used to transform the stick position to a turn rate in deg/s. Three parameters, RCRate, Rate, and Expo, determine the curve of the rate model.Typically the maths makes the sticks less sensitive in the center and more sensitive further out.The pilot can adjust their Rates to suit their flying style. Typically:racers prefer a more linear curve with a maximum turn rate of around 550-650 deg/sfreestyle typically uses a combination of a soft center region with high maximum turn rates (850-1200 deg/s)cinematic flying will be smoother with a flatter center region.It takes time to get accustomed to a change in rates. Don't rush.Betaflight supports Actual, Quick, Betaflight, Raceflight and Kiss models.Metamarc's rate converter is probably the best converter and visualiser, supporting all the Rates models currently available in Betaflight.Actual Rates"Actual" rates, by @ctzsnooze, were introduced in 4.2 and became Betaflight's default in 4.3. The older "Betaflight" rates model is still supported, with . In Actual rates, the center sensitivity and maximum rate can be directly entered in deg/s. The expo setting shifts the kink point of the curve, without affecting center or max rates. Each parameter is completely independent of the other.To compare Actual with Betaflight rates, there are charting solutions by:metamarc.com - probably the bestctzsnooze on Desmos (has all the maths, difficult to use)kmitchel (seems to be broken).For more information about Actual rates, see:4.2 Tuning notesGithub PR 9495Github PR 9506Quick RatesQuick rates, by @illusionfpv, allows the user to set center sensitivity as an independent value, and the Expo and Rate values interact with each other to determine the nature of the expo curve and the maximum turn rate.To convert between Betaflight and Quick Rates:illusionfpv.github.ioBetaflight, Kiss and RaceflightThe maximum rate and center sensitivity of Betaflight, Kiss and Raceflight rates models
2025-04-16RequirementsBetaflight - As a best practice, it is recommended to use the most recent stable release of Betaflight to obtain the best possible results;Telemetry - Telemetry has to be enabled in Betaflight Receiver tab and supported by the TX / RX for the scripts to be able to communicate with the flight controller;OpenTX - 2.3.12 or newer;EdgeTX - 2.4.0 or newer;ExpressLRS - 2.0.1 or newer;TBS Crossfire/Tracer TX / RX - v2.11 or newer;FrSky TX / RX with support for SmartPort - While most receivers with SmartPort support work fine, it is recommended to update the receiver to the most recent firmware version to correct any known bugs in telemetry.ImmersionRC Ghost RX module - Latest firmware and module set to RF Mode "Race250" - see (Ghost receiver manual pg 36-38) (Other RF Modes have issues or do not have telemetry to allow Betaflight LUA to work).Baud rate - Set to 400K in EdgeTX/OpenTX for Crossfire, Tracer, ExpressLRS.Installing!! IMPORTANT: DON'T COPY THE CONTENTS OF THIS REPOSITORY ONTO YOUR SDCARD !!Download a zip file containing the latest version from the releases page.Unzip the files from the link above and drag the contents of the obj folder to your radios SD card. If you do this correctly, the SCRIPTS directory will merge with your existing directories, placing the scripts in their appropriate paths. You will know if you did this correctly if the bf.lua file shows up in your /SCRIPTS/TOOLS directory.How to useNavigate to the TOOLS menu in OpenTX, select "Betaflight setup" or "Betaflight CMS" and press the [ENTER] button. The first time the script is launched after a clean install or upgrade it will go through it's compile procedure and exit back to the TOOLS menu when it's done.Betaflight setupThe "Betaflight setup" script lets you configure Betaflight through the MSP protocol.Controls[+] / [-] / [ROTARY ENCODER] - Used to navigate.[PAGE] - Press to move to the next page. Long press to move to the previous page.[ENTER] - Press to access the selected element. Long press to open the function menu.[EXIT] - Press to go back or exit the script.Saving your changesAny changes to parameters in the script will not take effect until a save is manually initiated. Change the parameters you want to change, open the function menu by long pressing [ENTER] and select "save page" to send the modified parameters back to the flight controller.Setting up VTX tablesIf you are using a VTX that supports the SmartAudio or Tramp protocols then bands and channels etc. are managed using VTX tables since Betaflight version 4.1.0. The script will be downloading and storing the current VTX table for every model the first time the model is connected and the script is run. If you
2025-03-27SBus, SBus-Fast (200k) , SRXL-2 (400k), GHST, SBus InvertedFirmware: Over-the-air (OTA) upgradablePower Supply: 5V recommended, as low as 3.6V tolerated, no more than 5.5VvTx Control: Tramp control from ‘T’ pin on Rx, regardless of selected serial formatAntenna Connector: Standard MHF4 (vs. Atto which uses the larger U.FL)Dimensions: 10.0mm x 10.0mm, 0.38g (w/o antenna)Rx Noise Floor Analysis: Auto on power-up, or on demand from the Tx 1 GHST protocol available in a custom OpenTX build at product first shipment.2 Sbus is inverted by definition, SBus Inverted flips it over so that it doesn’t require inverters on F4 FCs3 Some specifications vary depending upon the regionally-specific product SKU USER MANUALS OPENTX CUSTOM FIRMWAREGhost is fully supported in the stable OpenTx v2.3.13 release. This includes full support for the GHST protocol, and also the integrated OpenTx menus. BETAFLIGHT FIRMWAREThe most complete support for the GHST protocol is currently in the latest ‘development’ build which be installed using the betaflight configurator.Turn on the ‘Enable Expert Mode‘ switch in the firmware update page, and select ‘Development‘ in the selection bow below.The latest version of the Betaflight Configurator, with the ‘GHST’ option in the protocol selection dropdown may be downloaded from here.Note that if you are uncomfortable running a development build, consider using the SRXL-2 protocol with one of the official betaflight release builds. RELEASE NOTESRelease notes for Ghost firmware may be found here.Important instructions on upgrading to the latest Ghost release may be found here UTILITY SOFTWARETo use GHST widgets, extract the contents of the
2025-03-27