SmartMotion® MEMS Motion Sensors

I am using the WhoAmI register of the ICM42688P for bidirectional communication, but no matter which program I try, the value returned is 0x0, not 0x47.

Is there some other setting?

Best regards.

Hi All,
I am evaluating ICM42605 sensor and, although some documentation topics could be more comprehensive, all in all the sensor works very nicely, including FIFO mode burst data reads.

Hi all,

Is it possible that TDK will create a complete Arduino driver for the ICM-42688 similar to the one for the ICM-42670?

Hello：
How can I get on in Android14 transplant, I see my source have the hardware/company / 65 xx/libsensors_iio drive, is under the transplantation of the android reference manual?

Hi there,

Considering that I only have this spi slave device, can I just connect cs pin to GND so that it will always be selected?

Hi everyone,

I'm very much new to this and would really appreciate some help.
I got a custom PCB with TDK ICM-42688-V on it paired with SMT32L552CCUX micro controller for processing and output control via USB as a HID device. I am able to get the motion data working using ST motion sense library with STM32CubeIDE but would like to use Advanced Sensor Fusion Library instead as I feel it would provide better data.

Hi

I am during PCBA testing on a board with ICM42670P, where i firstly verified the circuit and fw on a eval kit, but now i am testing on the final PCB, where i don't have access to the SPI connection.

I am using a ICM-42670P connected to a PSOC 6, using 4-wire spi, and I am powering VDD with 3.3V and VDDIO with 3.13V. When debugging the test code I always get 0xff when i try to read a register, which leads to a error code -12 (based of the driver example here: https://github.com/tdk-invn-oss/motion.arduino.ICM42670P/tree/main/src

Hi ,
We are running DK-42670-P EVB with MotionLink 4.2.17 .
The Board is running ok and show Pitch and Roll Valves but doesn't show Yaw (on the Rolling Cube and also on the Accelerometer Capture .

How can we see the Yaw value ?
Many Thanks for your Help .
Dror Gershon

Hello,

In context of precision, what is the difference between ICM-42670-P and ICM-42688-P?

ICM-42688-P seems to be twice more expensive.

For the ICM-42688-P the noise figures in datasheet are:

Gyroscope Noise: 2.8 mdps/sqrt(Hz)
Accelerometer Noise: 70 µg/sqrt(Hz)

--

For the ICM-42670-P we have:

For gyro: 0.007º/s / √Hz
For accelerometer: Power Spectral Density @ 10 Hz 100µg/√Hz

They are not directly comparable, but does this mean the ICM-42688-P is superior in terms of accel and gyro noise?

Best Regards,
C.

Hello Team,

I have an application where I want to use ICM-42670P wake on motion interrupt. I have attached and configured wake on motion interrupt as per application note but I am not getting any pulse over the interrupt pin INT1 (checked with oscilloscope as well). Can you confirm what might be the issue ? Below is my code which I have tried.
Note : I am using nrf52832 controller.

uint32_t app_mpu_int_enable(void)
{
uint32_t err_code;