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levdikpavel

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levdikpavel
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  • Ok, thank you! About "dividing the number of received samples the by elapsed time of the last sample and compare it against the ODR in the filename": Result for one: 50.464395, for another: 49.510729 (per over 2 000 000 samples). So I think even …
    in MetaBase Streaming Timestamps Comment by levdikpavel February 2017
  • It occurs very often. I practically cannot do a planned experiment. Every platform apps have their own problems Windows MetaBase app.  I select configure, select the device, I press OK. Sometimes the app closes at this moment. Sometimes I can…
    in MetaBase download data Comment by levdikpavel January 2017
  • Please, explain me the rules of streaming data. I need to understand how to regenerate time column by myself. Does Bluetooth send packages by 3 samples?  Should I recover all time grid with the information about all streaming period (tot…
    in MetaBase Streaming Timestamps Comment by levdikpavel January 2017
  • Ok, thank you
    in MetaHub max total frequency 20 Hz Comment by levdikpavel January 2017
  • Eric, So, I don't understand. Do you say that every sample creates at very accurate intervals, just the fields 'time' and 'elapsed' filled wrong? If I recalculate them, will everything be correct? Should this: 0.000 0.001 0.002 0.052 …
    in MetaBase Streaming Timestamps Comment by levdikpavel January 2017
  • Here is the print screen of data example: The filename tells us about 100 Hz frequency (as it was set), but in fact samples writes every 0.05 s - that is 20 Hz. I also tried to turn on multiple sensors - Acc, Gyro, Mag, Pressure and to…
    in MetaHub max total frequency 20 Hz Comment by levdikpavel January 2017
  • Eric, So, I don't understand. Do you say that every sample creates at very accurate intervals, just the fields 'time' and 'elapsed' filled wrong? If I recalculate them, will everything be correct? Should this: 0.000 0.001 0.002 0.052 …
    in MetaBase Streaming Timestamps Comment by levdikpavel January 2017
  • Eric, Thank you, I got success! So, pressing the button is the way to keep MetaMotion device advertising even if its Settings tells not to. I just press the button and got my device in device list in the MetaWear app. I changed the setting…
    in battery issues Meta Motion R Comment by levdikpavel January 2017
  • Hi! I have a different issue during data streaming with MetaHub (Android). I am running MetaHub 1.1.4 on Xiaomi Mi Note 3 running Android 5.0.2.  My MetaMotion R have firmware 1.3.3. When I stream the data from Accelerometer/Gyroscope…
    in MetaBase Streaming Timestamps Comment by levdikpavel January 2017
  • Hi! Eric, >> the battery is most likely dead No, I tried to charge the battery the same moment I got the problem. It's not the reason. >> What you can do now is hold the button down then plug in the USB cable to recharge the bo…
    in battery issues Meta Motion R Comment by levdikpavel January 2017
  • Ok, Eric, thanks. It's my fault I set the timeout 1 ms. But you should make the app to have some protection from my stupid actions, for example to prohibit to set advertising timeout less then 100 ms or smth. Because I just don't know at all which v…
    in battery issues Meta Motion R Comment by levdikpavel January 2017
  • Hi! I have similar issue. I also have Motion R, Rechargeable Lithium Battery 100mA and run the last firmware (1.3.2). But I have problems not with battery (at least not only with battery).  In the android app MetaWear there is the field 'S…
    in battery issues Meta Motion R Comment by levdikpavel January 2017