Freematics Forum

Hi ...

I recently downloaded the newest version of the code from github. When I try to compile and upload the code to the device, I'm getting this error:
"error: 'i2c_ack_type_t' was not declared in this scope"

Does anyone know what is the problem?
I had no problem with compiling and uploading ...

Hi ...

Can someone help me with the calibration process of MEMS sensors in the Freematics ONE+ module?
Does it have auto calibration? Should I go through a special process and calibrate acc/gyr/mag manually?
I'm getting fixed values from magnetic sensor. accelerometer values are not accurate and ...

Hi ...

Would you please explain for me how should I calibrate the MEMS sensors. I mean, should I go through a special process or the module has auto calibration mechanism. at the moment, I am still testing the device at my desk (indoors) and when I check the second-by-second output of the module, I ...

Oh, it suddenly started working. I was testing it indoor (close to the window). I'm not sure the problem was reception. but, fortunately I'm receiving location data right now.

No. I never saw a LED in GPS module lighting up!

Hi ...

I uploaded the data_logger firmware v5 to my freematics ONE+. I'm using the standard external GPS module and it is connected.
But, when the sensor wakes from sleeps and goes for the GPS, after "GPS OK", for 300 seconds it shows "Waiting for GPS ..." and it does not start working and ...