Archive for the ‘minimal medial extension’ Category

POV device beta

Sunday, February 11th, 2007

here it is, with external casing holding the arduino board, a 9V cell and the shift registers. version 1.0 will be self-contained using an arduino mini and a smaller and stronger power cell. at the moment the system is running for approximately 1 1/2 hours on a fully charged battery.

prototype_ready_box.jpg

closeup pov device

the prototype

Tuesday, February 6th, 2007

Here it is, still some unreliable contacts, but i will fix that tomorrow…POV device prototype

32 Ultrabright LEDs in a beautiful casing hand-crafted out of brushed aluminium by tim horntrich
POV image long exposure

a long exposure shot taken… a radioactive symbol is clearly visible.

headshaking reveals symbols not words

Tuesday, January 30th, 2007

since the image is flipped by changing the direction of the eye movement, only symetric motives can be used to avoid confusion when using the pov device in the “headshaking” stationary manner. therefore, the motives chosen should be easily understandable, they should be of a symbolic kind.

radioactive.jpg

dollar.jpg

bomb.jpg

application idea: speeding kills

Monday, January 29th, 2007

placed next to a highway and showing crosses, the POV device reminds drivers that speeding kills, the faster they drive the better they can see the crosses

POV crosses

in-depth bit math

Monday, January 29th, 2007

POV image as long

the 32*32 LED code and hardware finally works… after finding out that a 2dimensional array of booleans uses all the RAM of the Atmel on my Arduino board, i was told that i could store the image data in a 32-field-Array of longs. it was a little bit tricky to figure out, but i wrote an processing sketch that outputs a series of longs to the console generated from a .gif image which can then be copied into the arduino program.