Bluetooth and downloading time

Hello,

Could you please answer our earlier question in the link below?
https://mbientlab.com/community/discussion/comment/11463#Comment_11463

Thanks.

Comments

  • I just collected data from a MMS sensor with the settings in the picture for 1 minute and it took ~4 minutes to download in close proximity to my iPhone
    , which seems way too slow. Any thoughts?

  • Yes this is normal.
    While you may have recorded data at say 200Hz and gotten 10 million data points in 1 second, the Bluetooth link can only download data at 100Hz. So to download 10 million data points, it will take 2 seconds.
    The Bluetooth is slower than our sensors! That's why you can't stream data to your phone at sensor speeds higher than 100Hz (and you must log instead).

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