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  • Samvb

    Hi Pluto,
    I have come across a forum where you have been discussing the conversion of hex data from an SD card to decimal format.
    Did you managed to successfully achieve this? I am looking to do the same.
    Thanks for your help.
    Cheers,
    Sam

    December 2022
    • pluto
      pluto
      Yes Sam,

      I was able to achieve the same, I do not have the firmware with me, give me a time for a day or two to send the logic to you.
    • Shyamal
      Shyamal
      Hey Pluto,
      Can I have the logic for converting hex data into decimal format? Also, did you use python for conversion?
    • Samvb
      Samvb
      Hi Pluto,
      Happy new year!
      Just following this up, have you managed to put together the logic?
      Does the converted decimal file read like a CSV file streamed via the dongle?
      Thanks for your help
      Cheers,
      Sam
    • pluto
      pluto
      Hi Sam,
      Appologies for the delayed response,

      The hex to decimal conversion of data I could figure out in from a forum discussion, could implement the logic.

      For each hex values do the below operation:

      If MSB > 7, means input number is negative, perform 2s complement, multiply by scale factor, then multiply by -1 at the end

      else, just multiply by the scale factor,

      at the end, convert everything to int.
    • pluto
      pluto
      Hi sam, could you do the logic implementation?
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  • gabriel

    Veo que estás en España, yo también. Tienes Wallapop, porque allí puedes buscar por emotiv y creo que soy el único que tiene uno a la venta. Sino pásame una dirección de email donde te pueda enviar los docs

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  • I am using OPENBCI EEG cap (cyton and daisy board).I am trying to connect my Electrodes with boards. but i am unable to connect it properly and i couldn't find any connection with these four pins.

    December 2022
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  • Samvb

    Hi retiutut,
    I have come across a forum where you have been discussing the conversion of hex data from an SD card to decimal format.
    Is this possible using the following code:
    https://github.com/OpenBCI/OpenBCI_GUI/blob/master/OpenBCI_GUI/DataSourceSDCard.pde
    Thanks for your help.
    Cheers,
    Sam

    December 2022
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