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OpenMarine › CAN-USB Stick › How do I...?
Adding MPU9250 OP 2 beta

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Adding MPU9250 OP 2 beta
Johnnysails Offline
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#1
2019-08-26, 10:11 AM
Playing with OP2 beta. All looks good except I cannot add the MPU9250 IMU to the i2c settings. The i2c address 0x68 for the IMU is correctly found. Any advice would be appreciated.
John
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rastam4n Offline
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#2
2019-08-26, 03:39 PM
(2019-08-26, 10:11 AM)Johnnysails Wrote: Playing with OP2 beta. All looks good except I cannot add the MPU9250 IMU to the i2c settings. The i2c address 0x68 for the IMU is correctly found. Any advice would be appreciated.
John

I ran into the same challenge, I think we need to wait for the pypilot package to be updated as this is what is used for calibration etc....
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Johnnysails Offline
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#3
2019-08-26, 03:50 PM
(2019-08-26, 03:39 PM)rastam4n Wrote:
(2019-08-26, 10:11 AM)Johnnysails Wrote: Playing with OP2 beta. All looks good except I cannot add the MPU9250 IMU to the i2c settings. The i2c address 0x68 for the IMU is correctly found. Any advice would be appreciated.
John

I ran into the same challenge, I think we need to wait for the pypilot package to be updated as this is what is used for calibration etc....

Thanks for that. That’s what I thought but also I might have been missing something simple or obvious!
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Sailoog Offline
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#4
2019-08-27, 03:00 PM
Yes, pypilot package will do that job. It is the next one in the list so it will be published soon, couple of days...
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Johnnysails Offline
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#5
2019-08-27, 06:57 PM
(2019-08-27, 03:00 PM)Sailoog Wrote: Yes, pypilot package will do that job. It is the next one in the list so it will be published soon, couple of days...

Thanks for that
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rastam4n Offline
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#6
2019-09-03, 10:56 PM
(2019-08-27, 03:00 PM)Sailoog Wrote: Yes, pypilot package will do that job. It is the next one in the list so it will be published soon, couple of days...

Anything new in OP2? Pypilot maybe?
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Sailoog Offline
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#7
2019-09-04, 03:48 PM
We are delayed with pypilot because some bugs have to be fixed there. But we are trying to speed up work publishing a template to make easy creating apps. Having someone else in the development team would be great.
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Hub @Code Rouge Offline
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#8
2019-09-04, 05:37 PM (This post was last modified: 2019-09-04, 05:38 PM by Hub @Code Rouge.)
Hi,
I have been struggling for a few days on having openplotter (pypilot) work with mpu-sensors.
Same as Johnnysails: the 9250 is on 0x68, but is not detected by openplotter.
I also installed seandepagnier/RTIMULib2 and tried from there to run RTIMULibCal and get a "No IMU found".
After trying on 2 different MPU-9250 sensors, I bought a MPU-6050 (gy-521) : this time the chip was detected by open plotter. But the calibration with RTIMULibCal was giving absurd output.
Finally, I ran the code from https://tutorials-raspberrypi.com/measur...pberry-pi/
with my 3 chips, and it looks like it's working.
NB: I tried with OP1
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Ranur Offline
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#9
2019-12-26, 04:15 PM
I'm stuck here as well have a basic question. Do the MPU-9250 need to attached directly to the Rpi OR can I attach it to a ESP8266 and transfer the data over signal K? this is possible - GREAT! And if so - how?! Right now I think I have attached it in the I2C setup, but it does not show up as detected in pypilot.
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ddelorme Offline
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#10
2019-12-27, 01:24 PM
(2019-12-26, 04:15 PM)Ranur Wrote: I'm stuck here as well have a basic question. Do the MPU-9250 need to attached directly to the Rpi OR can I attach it to a ESP8266 and transfer the data over signal K? this is possible - GREAT! And if so - how?! Right now I think I have attached it in the I2C setup, but it does not show up as detected in pypilot.

It gets set up in Pypilot and no i would not have it connected via wifi ie esp32 or esp8266. I just set my up on rpi4 Pypilot saw the mpu.
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