BMM150 high saturation

[Ross_Whyte]

Hi,

I am currently using a BMM150 sensor on a breakout board from Dfrobot. I have ordered 3 sensors with a multiplexer to get additional readings.

However, when placing the sensor close to its test environment the max reading is 2047 micro Tesla. This is strange as the operational range in the specification states +/- 2500 micro Tesla. I have checked and all 3 sensors are reporting this upper limit. 

I am using the Dfrobot Aurdino library 

https://github.com/DFRobot/DFRobot_BMM150

The current background reading was -17 micro Telsa.

Please find the script below 

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If anyone could help me find out the reason for this limit that would be fantastic.

Many thanks,
Ross

[BSTRobin]

Hi Ross_Whyte,

We are not sure about the details of third-party libraries, but you can refer to the official BMM150 driver code and examples https://github.com/boschsensortec/BMM150-Sensor-API