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Apparently co-ordinating accessories is a minefield. There is a thin line between a hot new trend and a fashion faux pas. Bags, shoes and belts have been discussed excessively.
But should your hat match your walking stick?

In Istanbul

Date: 2016-03-19 03:39 am (UTC)
From: [identity profile] topum.livejournal.com
I once wanted to build this really badly: https://www.youtube.com/watch?v=3K8i0JQzx2w
But then the next day I got obsessed with ferrofluid and played with it 16 hours straight. And the next day I decided to go to Akureyri, somehow it just felt like the right thing to do. So the led cube did not happen. Not that I could build it.

Date: 2016-03-19 03:43 am (UTC)
From: [identity profile] randomdreams.livejournal.com
I liked Akureyri. It beat Havn all to pieces.
Totally want to get my hands on some ferrofluid some day.
That LED cube, I could totally build. I have the LED's, even. But programming it, whew. That's seriously a ton of work.

Date: 2016-03-19 03:49 am (UTC)
From: [identity profile] randomdreams.livejournal.com
I guess it's mostly matrix manipulation. You'd do all the assignments in software and then just do it all as x,y,z coordinates. But actually making the graphics... it's just a zowie amount of work.

I had another neat idea about an addressable led string. They have these: long string of them, on a single wire, and you can turn off individual ones through a serial bus running down the power line. So, get a nice long string, loop it over your christmas tree just like any other string of lights, set up a webcam, and start blinking individual ones so you know where they all are in three-dimensional space, by moving the webcam around. Then you can blink them all on and off in a nice pretty random-seeming pattern, and at exactly one point in space they will spell out a rude word to an observer.

Date: 2016-03-19 04:10 am (UTC)
From: [identity profile] topum.livejournal.com
This is awesome! Now I want to research all kind of weird stuff one can do with LEDs and wait for my LEDs to come. By the time they will, I will definitely be on something else (or in Akureyri) but anyway.

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