You can use dry combs with any of the elastic caps shown in this thread. Question is the comfort level. The g.tec caps are in a similar price range as the Electro-caps, about $250. But very high quality. The Russian and Chinese caps you show here look decent and are probably less.
OpenBCI lab will be experimenting with some 3D printed conductive rubber / plastic electrodes soon. These have the potential to have more rounded tips and not so pointy. Other combs that have been used with caps are the Cognionics combs, but these are very expensive.
Thanks for your help..., Openbci should make cheap soft caps for use diy'ers we could use their rubber comb electrodes. Any idea when those combs will be completed. I can see a kit of a soft cap and combs. The chinese even want like $100-150 for the caps, anything cheaper you know of. Anyone have a G.tec Gamma used? I wonder why a rubber swimcap hasn't been printed and punched out with labels by someone industrious.
Wonder how much this is waveguard touch by ant neuro. This is perfect, can openbci make something like this. Do the Chinese or anyone you know make one like this cheap @wjcroft
ANT Neuro has not yet released the Waveguard system, according to the web page. This has been several years in development. So is likely to be on the high end of dry cap systems. It's remotely possible they may sell the electrodes separately, but I doubt it. Why would they reduce their margins?
The electrodes are polyurethane (PU) pin electrodes coated with titanium nitride (TiN). Explained in this paper and previous thread post. Given the length of time it has taken them to bring this to market, the plating process must be a fine art. Also, like the Cognionics combs, these do not last indefinitely, but need to be replaced after so many hundreds of uses. Unclear what that number is.
PS re-reading some of the emails I exchanged with Jens Haueisen in 2014, he states that the electrodes are passive, not needing active amplification. But they do use the ANT active shielding technology. So that accounts for the thick cables and connectors shown in the photo.
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