The idea behind the PixMob wristband is simple — at a concert ... infrared projectors are used to transmit commands so they all light up in sync. Sometimes, attendees would be allowed to ...

WSJ goes behind the scenes with one LED company, PixMob, to see the tech behind the wristbands. Photo illustration: Madeline Marshall ...

PixMob units are wearable LED devices intended for crowds of attendees ... Suspected IR emitter for the PixMob units, mounted on a lighting tower (marked here in white). PixMob hardware has ...

Wristbands are surely this decade’s equivalent. With two button batteries, a mini circuit board, tiny computers, LED lights, a Lilliputian radio receiver, the outside shell and thick strap ...

lighting them up in perfect sync. This means you don't have to stay in a fixed seat. Even if you move to a different position, the LED wristband's effect won't be disrupted, as it only responds ...