How can i change output Data Rate of Razor imu Sen-10736

[saeed10ev]

i want to use this board in my experiment but for the data analysis purpose i required to high the data rate. how can i do? can any one here to help me out?

[alrevuelta]

You can take a look at the datasheets of each device to check which registers are in charge of the sampling frequency. Note that these values are the upper bounds:

• The accelerometer can go up to 3200 Hz.
• The magnetometer up to 75 Hz.
• The gyroscope maximum frequency is not that straight forward to calculate. According to the datasheet its calculated as Fs = Finternal/(divider + 1). Using the maximum Finternal value (8 kHz) and the smaller divider (0), so you should be able to sample up to 8 kHz.

Since it could be tricky to go down to bit/register level, I would recommend you to use a different library to read data from the sensors. You can find here the link. It is made specifically for this sensor and the functions are quite easy to use, so you can fix your problem using functions like:

sen10724.setAccDataRate(ADXL345_DATARATE_400HZ)
sen10724.setMagDataRate(HMC5883L_DATARATE_15HZ);