Re: Lots of noise on the CH1 of my Olimex SMT?

Hi Kris,

That is exactly the problem I got before. Definately use a quality usb
cable because this causes major improvement to the signal. But even
then the signal will improve by touching the ground of the usb-port on
the usb port.

Regards,

Niels

On Tue, Oct 23, 2012 at 2:45 PM, Kris <[email protected]> wrote:
> Hi, my electrodes are done and my SMT is up and running, thanks to you (Stefan,
> Niels). BUT...I get a lot of noise (50hz I guess) on the channel 1, and ONLY on
> the first channel (it's not related to the electrodes, when I permute the 2
> channels I get the same result and the ear electrode is doing its job correctly).
>
> I tried the SMT on a laptop, disconnected every electrical device around . The
> only way I found to get rid of that noise and get a crisp wave is touching with
> my finger the ground part of the USB plug of the SMT. What is the cause? Cheap
> USB cable? bad connection somewhere? The Olimex itself?
>
>
> Thanks again
>
>
> Kris
>
>
> ------------------------------------------------------------------------------
> Everyone hates slow websites. So do we.
> Make your web apps faster with AppDynamics
> Download AppDynamics Lite for free today:
> http://p.sf.net/sfu/appdyn_sfd2d_oct
> _______________________________________________
> Openeeg-list mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/openeeg-list
> Go to the above address to change your
> subscription options, e.g unsubscribe.

------------------------------------------------------------------------------
Everyone hates slow websites. So do we.
Make your web apps faster with AppDynamics
Download AppDynamics Lite for free today:
http://p.sf.net/sfu/appdyn_sfd2d_oct