Over the last few years, it’s been increasingly common for concertgoers to be handed a light-up bracelet from PixMob that synchronizes with the others in the crowd to turn the entire audience into a music visualizer. They’re a clever way of enhancing the concert experience, but unfortunately, they don’t do anything once you leave the show. Or at least, that used to be the case.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/06/28/hosting-your-own-pixmob-party-made-easy/