Recommendations on 9-axis IMUs

Other Hardware Sensors
1

Dear Fellas,

I used MPU9250 in my previous project as 9-axis IMU back in 2018, even though at that time MPU9250 was already discontinued...
I did a literature review in 2019, and at that time I had the options of BMX160 from Bosch (seems also discontinued now...), ICM-20948 etc...

So I'm wondering what are the recommendations for 9-axis IMU at 2022.

Thanks!

2

The market is competitive, and the modern 9DOF offerings all have similar performance. If you have specific requirements, do a side by side comparison of the data sheets.

Modules from a reputable hobby suppliers like Adafruit, Pololu or Sparkfun, offer simple connector options and 5V to 3.3V logic level conversion if needed.

I recommend to avoid Bosch sensors with built in AHRS firmware. The firmware is not state of the art.

3

Dear Jremington,

thanks for your reply!
I don't have any specific requirement. My main requirement is low-power, widespread use (so if I run into any problem, I can find online solutions)...
Do you have any detailed suggestions?
Thanks!

4

I have used the ST LSM9DS1 in a couple of commercial projects
not with Arduino micrios but implemented custom PCBs using Microchip micros

5

Hi Horace, it seems LSM9DS1 is also discontinued, are you still able to get them?
thanks.

6
7

been having supply problems with many components
having to look around to see what is available in required quantity to do redesigns of PCBs
I think latest proposal is to use the MEMSIC_MC3419 3-axis accelerometer (Digi-Key have over 80K in stock)
for prototypeing there is a Mikroe 18 click MC3419 board - RS in the UK have a stock

8

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