VibraVest
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March 24th, 2021
- inspired by thinking about the Apollo wristband thingy, which seems to be soothing like touch is soothing
- and basically being like "what about more dakka?"
- basic concept
- a vest or blanket or similar, with individually-addressable tiny vibrating motors, that can simulate your chest or back being stroked
- (not per se realistically, but probably nonetheless very pleasurably, not unlike a Hitachi Magic Wand)
- example vibrating motor disc:
- $2 for one, $156 for 100 of them (would probably want around 100, maybe more)
- anyway, turns out that the now-very-common individually-addressable LED strips are doing some super fancy digital stuff, so unless one of those could be hacked to run vibes instead of blinky, that's probably off the table
- another possibility is a schematic like the one below, from an expired patent I don't fully understand called "Individually addressable micro-electromagnetic unit array chips"
- staring at this a bit, I'm noticing that basically it seems like each unit is plugged into ground and into a source (labelled "Ɪ"), with two switches controlling whether each circuit completes
- I'm a bit confused about how those switches work, but broadly it seems plausibly the case that basically for any given row/column pair, that circuit either gets completed or not, and if completed, circuit closes
- wait, no, that would be if one switch. TWO switches. why TWO?
- also this method seems to only allow "on/off" of each, not a custom voltage
- anyway, I made this version of the diagram trying to think about this:
