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  1. Timestamp variability

    Eric
    by Eric · December 2016
    Correct, the timestamp on streamed data is when the data was received by the device.
  2. Gyro & Accelerometer stops sending data until soft reset

    Eric
    by Eric · December 2016
    Reduce the max connection interval to 7.5ms (11.25ms if using Android M or later).
  3. Read gyro/accelerometer data with lower sampling rate

    pradeepvr
    by pradeepvr · November 2016
    Hi @propan, thanks for the help. The above code is not fetching data every 2 seconds, I am getting data every 50 milliseconds. Below is my code snippet. try {
  4. Read gyro/accelerometer data with lower sampling rate

    pradeepvr
    by pradeepvr · November 2016
    Is there a way to read gyro and accelerometer sensor data every few seconds (for instance every 2 or 3 or 4 seconds) ? Below are the only possible values which is not of use for me. enum OutputDataRa…
  5. Anyone obtaining reliable data when streaming from Metawear cPro? Crashes and Timestamp Synch

    Eric
    by Eric · November 2016
    Please check out this post from one of the firmware devs about packing acc/gyro data together and time sync.
  6. Python client using C++ API

    Eric
    by Eric · October 2016
    Is that IS_64_BIT section necessary when using the python wrappers provided in v0.5.0 and later?  The functions.py file assigns all pointer types with the c_void_p which should also address the inval…
  7. I2C communication

    didlich
    by didlich · October 2016
    I did some experiments with the NodeJS script. It shows, if I send a wrong command I get the result:
  8. I2C communication

    didlich
    by didlich · October 2016
    Hi all,
  9. Data Streaming Exceptions with UWP

    Eric
    by Eric · October 2016
    See http://community.mbientlab.com/discussion/comment/2603/#Comment_2603
  10. Android Heart Rate App

    pradeepvr
    by pradeepvr · October 2016
    Hi Guys, I am trying to read heartrate data from Android with below code snippet, but its not working. Heartrate sensor light is not switching ON, any help would be grateful. public void startHeartRa…
  11. Summing XYZ value

    Eric
    by Eric · October 2016
    There is no built in processor to only sum the components.  For now, you can either post processes the data on the mobile device or use feedback loops to manipulate the data similar to the code from …
  12. Data logging with Python

    Eric
    by Eric · September 2016
    Take a look at the logging unit tests for a working Python example and you should probably read the ctypes documentation on wrapping callback functions.
  13. Battery Level API - Reporting Inconsistent Value

    Eric
    by Eric · August 2016
    Please see this post by Matt regarding measuring battery charge.
  14. Metawear C With Unity3D

    Eric
    by Eric · August 2016
    Did you try my suggestion from your previous thread?
  15. Magnetometer on CPro

    Alex
    by Alex · August 2016
    I'm trying to use the magnetometer on my CPro, but due to interference of the battery I get very unclear results. (see http://community.mbientlab.com/discussion/comment/1860/#Comment_1860)
  16. Removing existing timers

    DionnV
    by DionnV · August 2016
    I'm currently working on an App which communicates with a MetaWear RG.The main theory is that the board schedules a timer which logs temperature data. Whenever a device with the app open is near, it …
  17. CPRO Bluetooth LE range when streaming data

    Eric
    by Eric · August 2016
    You can try tweaking the board's connection parameters, specifically lowering the connection supervisor timeout.
  18. Inconsistent data streaming

    emvasey
    by emvasey · June 2016
    Changing the minimum connection interval on the board may be a good idea rajmishra (https://mbientlab.com/androiddocs/latest/settings.html#connection-parameters).  
  19. Developing own firmware?

    Eric
    by Eric · June 2016
    You can contact the OP from this thread to see if he is willing to share his code.  We also have a getting started guide for firmware that shows you how to setup the environment and hardware for flas…
  20. Streaming and treat datas on PC

    Eric
    by Eric · June 2016
    That driver issue seems to be plaguing various adapters and is not specific to MetaWear.  You can try of the suggestions I have linked to in this post.
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