On 17.12.2011 01:59, Jan Hrach wrote:
Hi, I think that it would be possible to achieve 8 b/s bitrate through brmpaw. This is because you can sense 4 bits at a time (you can't clearly distinguish between 8 individual motors vibrating at a time, but it is possible to sense 4) and it is possible to sense 2-3 changes per second.
ah, i didn't even think of parallel transmission, and it's good to know where the limits are.
if one could sense 3 changes per second, that makes 4 changes per hexsec or intervals of 330 ms.
if that is too close to the limit, a far more 'relaxed' alternative would be to only change the signal every hexsec. so the first two bit are implied in the signal rate. and the full time is transmitted in 5.273 seconds which i propably the about time i need to read an analog wristwatch. it would still be more elegant and less obtrusive than a watch, and maybe the brain keeps track unconciously so that on doesn't really have to wait for the time… the two spare bits could be used to signify the day of a "tetraweek" or to give basic compass direction or other fancyness.
and there is the seemingly sensible-but-ugly way in between, changing the signal in half a hexsec and leaving only one bit implied…
On 11.12.2011 23:12, sofias wrote:
hey everyone :)
as i just checked your wiki and i was especially attracted by your neurohacking section. i love it, keep on this awesome stuff. but that just btw…
on your page about brmpaw there are plans mentioned to integrate a clock into it. and i have a soft spot for clocks as they are a part of my efforts to reinvent civilization. to be more precise i'm a lover and advocate of binary/hexadecimal time, dividing the day in 2^16 pieces ("hexsecs"), which are a little longer than an 'ordinary' (1/24/60/60) second. your clock plans brought me the idea to just send the 16 bit of daytime information every hexsec as haptic or electric impulses to the users nerves, which is about 12,136296296 impulses per second. or non-impulses in case the bit is zero. i also think about the perception of geocoordinates and compass direction in a similar fashion.
i wonder if such complex signals would be too distracting or how beneficial it would be that no memorization of previous time-states is required to percieve the daytime at any given moment. and most important weither binary signals with such a fequency are percievable effortlessly.
anyway i'm greatly interested in any sensory/cyborg experiments you do, and i would love to learn more. (i'm not so much into electronics and µCs tho…)
greetings from saxony / germany / the internet, sofias. _______________________________________________ Brmlab mailing list Brmlab@brmlab.cz http://brmlab.cz/cgi-bin/mailman/listinfo/brmlab