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patrice

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patrice
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  • Hi Benglorious, Did you finally succeed to increase range with your iPhone while streaming, at least stabilize signal when using sensors outside ? Is it really better with Android or Windows 10 ? Upgrading transmitPower to .power4dBm help me a l…
    in What is the actual range of MetaMotionR? Comment by patrice March 2018
  • Hello Winston, Yes I succeed to get a better result in vertical mode thanks to ivancap and using : * first a quaternion multiplication , * and then euler calculation from quaternion. But I unfortunately still have the yaw drift in time while …
    in Sensor Fusion yaw drift after fast movements Comment by patrice August 2017
  • Hello ivancap, I opened two weeks ago a similar post as yours regarding issues with vertical usage and drift attitude between sensors after fast movements  : http://community.mbientlab.com/discussion/comment/4223#Comment_4223 I understand th…
    in Offset For Vertical usage Comment by patrice April 2017
  • Thanks Eric,NDoF mainly but I tried with each mode and it is the same problem. I even tried with quaternions but as mentioned by ivancap in his post, all is about the reference frame. I m going to ask him if he could be a little more explicit rega…
    in Sensor Fusion yaw drift after fast movements Comment by patrice April 2017
  • Thanks Eric and Matt for your answers. Before sending you some significant samples I have to make some new tests after some code review in my app. Particularly compare objective c and swift implementation with several sensors. Nevertheless, usin…
    in Sensor Fusion yaw drift after fast movements Comment by patrice April 2017
  • Thanks Matt for your reply and explanations about certifications ; it make sense and I understand that 4dBm is the max.I confirm that signal level is about the same for the three sensors when there are placed next to my iPhone. Like you, I am surpr…
    in Bluetooth range increase Comment by patrice April 2017
  • When I use my three sensors outdoors, it is really far from any interference in the 2.4Ghz range.I looks like if the bluetooth signal was unable to cross my body (from backside as my iPhone is frontSide) and was simply going away... Indoors o…
    in Bluetooth range increase Comment by patrice April 2017
  • Using three METAWEAR-R at the same time on iOS and iPhone 7 with bluetooth 4.2, I have noticed that outdoor, even with max power à 4dBm,I loose quickly signal ; particularly with one sensor... Do you thing possible to burst a little more ?  Could i…
    in Bluetooth range increase Comment by patrice March 2017