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Thank you! Please suppors as you can ...

If your magnetometer is placed in a specific position be aware of "MAG Alignment" drop down box in the GUI. Go to the Configuration tab in Betaflight Configurator, you will see a section on the right called "Board and Sensor Alignment". At the bottom of that section you will see a "MAG Alignment" setting.Or you can do by using the CLI commands: align_mag = CUSTOM mag_align_roll = xxxx mag_align_pitch = xxxxx mag_align_yaw = xxxxx and in the end calibrate.

thx

same experience here

You have links here: www.optimusdigital.ro/ro/senzori-senzori-inertiali/5187-modul-busola-digitala-qmc5883l.html ardushop.ro/en/electronics/233-3-axes-magnetic-field-sensor-hmc5883.html

@@i3Drones im from malaysia...many online product come from china 🥴...posible for buy from US,but its much different price... thanks for link 👍

You must downloading a software version for your FMU that does have the magnetometer part incorporated. The new "cloud build" option allows you to select the different components you want to incorporate. Reading their documentation I found: "For those missing a barometer: You can try any or all of BARO_MS5611 BARO_SPI_MS5611 BARO_BMP280 BARO_SPI_BMP280 BARO_BMP388 BARO_SPI_BMP388 BARO_LPS BARO_SPI_LPS BARO_QMP6988 BARO_SPI_QMP6988 BARO_DPS310 BARO_SPI_DPS310 BARO_BMP085 BARO_2SMBP_02B BARO_SPI_2SMBP_02B in the custom defines input box." The link is here: betaflight.com/docs/release/Betaflight-4.4-Release-Notes

Yes if you want to have an accurate determination.

I’m unfamiliar with JBF7 V2 but searching on the web (you have a very nice FMU !!!!), I found that the I2C port is shared with UART 3. So, first, disable UAR3 from the port configuration. At this point, I do not know if it is enough to activate the I2C port - maybe additional steps are required. Also, from the internet, I found that your board has a barometer - I intuit that the barometer is connected to the I2C bus (it is possible to use SPI also). So, what would I try if I were in your shoes: 1. disable UAR3, 2. Disconnect the magnetometer from I2C, 3. Set mag_bustype = NONE, 4. Set mag_hardware = NONE, 4. set mag_spi_device = 0, 5. set mag_i2c_device = 1 (for barometer). Now, use the status in CLI to see if the barometer is detected. If it is not possible to work on the SPI bus or to activate the I2C bus additional steps are required.

@@i3Drones i didnt get option for magnetic declination as a valid command either, getting a i2c error, after doing a status command in cli, using a brainfpv radix2 with a matek m8q-5883 gps

@@RuderalisFPV first your barometer is detected?

Please tell me the error, may be based on this I can help you.

@@i3DronesError IN set: INVAILD NAME###

​@@_mr_hyde_ I think the problem is that you missed a letter in the command: set mag_declination. I think INVAILD NAME means that BF received a non-existent command.

No, BN-220 has no compass. More, the Bn-220 is not so grate GPS - you have a study here: kzfaq.info/get/bejne/h8yniZp_tZumeWw.html

I haven't tested the controls in BF 4.4, but the controls should work without problems. The only problem I see is downloading a software version for your FMU that does not have the magnetometer part incorporated. The new "cloud build" option allows you to select the different components you want to incorporate. Reading their documentation I found: "For those missing a barometer: You can try any or all of BARO_MS5611 BARO_SPI_MS5611 BARO_BMP280 BARO_SPI_BMP280 BARO_BMP388 BARO_SPI_BMP388 BARO_LPS BARO_SPI_LPS BARO_QMP6988 BARO_SPI_QMP6988 BARO_DPS310 BARO_SPI_DPS310 BARO_BMP085 BARO_2SMBP_02B BARO_SPI_2SMBP_02B in the custom defines input box." The link is here: betaflight.com/docs/release/Betaflight%204.4%20Release%20Notes

It's far too vague what you're telling me. I can't figure out the problem.

First, check once again if the hardware connections are correctly done. SDA (controller) SDA (magnetometer) & SCL (controller) SCL (magnetometer). Check also the power lines.

Searching on the web I found this issue: I2C is not working on dedicated pins - so, follow the remaping procedure presented there: github.com/iNavFlight/inav/issues/6441

@@i3Drones thanks for the reply, this may be above my level as i am a newbie! will give it a go. Will it work ok with the MAMBAF722_2022B as this is a different fimware to the I2C. My Baro works fine atm i just cannot get the compass to show up?

@@theandymann4433 if I guess, it is possible to have a problem with set mag_i2c_device - try different values 1, 2, 3 or 4, it is the only one parameter that I do not understand completely. But, first power up the drone.

The new "cloud build" option allows you to select the different components you want to incorporate. Reading their documentation I found: "For those missing a barometer: You can try any or all of BARO_MS5611 BARO_SPI_MS5611 BARO_BMP280 BARO_SPI_BMP280 BARO_BMP388 BARO_SPI_BMP388 BARO_LPS BARO_SPI_LPS BARO_QMP6988 BARO_SPI_QMP6988 BARO_DPS310 BARO_SPI_DPS310 BARO_BMP085 BARO_2SMBP_02B BARO_SPI_2SMBP_02B in the custom defines input box." The link is here: betaflight.com/docs/release/Betaflight-4.4-Release-Notes

@@i3Drones you're a genius. I'm an idiot

@@myoung2761 I'm not a genius, I have a little more experience then you. Please like and subscribe.

@@i3Drones Definitely earned my sub! How would I set magnetic declination on betaflight 4.4.1? I get an invalid command error when typing it in CLI

@@myoung2761 Up to now, I do not install 4.4.1. - may be in this weekend - may be it is the same problem, select the build with compass.

had to manually chose magnetometer when flashing firmare, if anyone has the same issue

​@@shotbyarian yes, in cloud you must choose the magnetometer.

@@i3Drones unfortunately the magnetometer is still greyed out for me even if i try all the different ic2 devices (0-4), any idea why? flywoo m10 mini w compass

@@shotbyarian it is possible to connected incorrectly or to a I2C port unchecked by the Betaflight. So, first search for a hardware issue.

Buna! Vezi ca in noua abordare trebuie sa selectezi componentele pe care vrei sa le utilizezi inainte de a construi imaginea care va rula pe drona. Deci, ai facut asa ceva?

I haven't tested the controls in BF 4.4, but the controls should work without problems. The only problem I see is downloading a software version for your FMU that does not have the magnetometer part incorporated. The new "cloud build" option allows you to select the different components you want to incorporate. Reading their documentation I found: "For those missing a barometer: You can try any or all of BARO_MS5611 BARO_SPI_MS5611 BARO_BMP280 BARO_SPI_BMP280 BARO_BMP388 BARO_SPI_BMP388 BARO_LPS BARO_SPI_LPS BARO_QMP6988 BARO_SPI_QMP6988 BARO_DPS310 BARO_SPI_DPS310 BARO_BMP085 BARO_2SMBP_02B BARO_SPI_2SMBP_02B in the custom defines input box." The link is here: betaflight.com/docs/release/Betaflight-4.4-Release-Notes