bpoole908
bpoole908
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Is there any information for the size of the screws used by the electrode holders for Mark IV?
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Worth a try. Could still be some basic misunderstanding that Ubuntu has with usb devices such as the BLED112. Windows gets it. The BLED112 is just a serial COM port as far as the OS goes. Good news! Upgrading to Ubuntu 20.04 fixes the issues…
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The '18' in the version indicates it was from 2018, possibly three years old at this point. Although this version was a LTS long term support, it obviously has some flaws that were not fixed. Ah right, do you think upgrading to 20.04 or 21.0…
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OK, so this eliminates all the other possibilities we talked about: poor radio reception, Brainflow issues, EMF interference, etc. I should clarify, when I said "flawlessly" I meant connecting to the GUI to board (which was not the case on L…
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PLEASE experiment with the usb extension cord suggestion made earlier. Drape the dongle over some object in your vicinity, such as your plastic monitor frame. Regardless of how the packet loss is recording (whether the actual sequence numbers shown …
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Bpoole, have you tried running under Windows 10 (up to date), to see if this could be an issue with your Linux distro? Yes, I just tried it on Windows (as I dual boot Windows and Linux) and the GUI and connection works quite flawlessly. It i…
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Hmm, this is very odd. Richard @retiutut, do you have any impressions of what is going on here? To me this looks like some kind of glitch in the Brainflow library. Aggravated by Bluetooth radio packet loss. Note that there is now a 'Packet Loss' GUI…
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Your output above seems to have some correlation to issues with the OpenGL, graphics library. This library depends upon having up to date graphics / card / chip drivers installed on your laptop. Please visit your manufacturers website, and check if …
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It's possible the usb ports on your laptop are wonky. Suggest trying other usb ports, or using on a usb hub extender. Or trying another laptop. Does it work on Windows or work using Linux on another machine? Is your Linux distro the latest available…
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There are a few things that make the v5 GUI unusable for me at the moment that I haven't figured out how to solve. It should be noted that I am using Ubuntu 18.04 and v5.0.4 of the GUI. Normally, when I first start the GUI it will load fine. When…
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To me this looks like some kind of glitch in the Brainflow library. Aggravated by Bluetooth radio packet loss. One of the things I've notice, I even saw it today when I was doing some testing, is that this issue seems to happen after "actual…
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Ahhh I see, this makes more sense. Thanks for bearing with me!
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Thanks for all your help, this clears up most of my questions! Even if the sampling rate varies by a tenth of a hertz or less is it not reasonable assume that if I record for 3 minutes I should have approximately 36000 samples? Then I could say …