Coldplay will be coming to India in January 2025 for their Coldplay: Music of the Spheres World Tour. For fans, this will be a golden opportunity to experience Coldplay live in India. But have you ever wondered what makes Coldplay really special, apart from Chris Martin’s vocals? Well, it’s the thousands of bracelets that light up the entire stadium, synchronizing, forming intricate patterns and creating truly immersive, awe-inspiring moments. But how do they work? And how are these effects synchronized? Are they fixed to your seat? Here, we answer all your questions about how technology Behind the bracelets working at Coldplay concerts.
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Coldplay Concert LED Bracelets Explained: How They Work
First, these bracelets have become so popular that they’re no longer exclusive to Coldplay concerts—we’ve seen them at K-pop concerts and around the world. But the technology behind these bracelets is actually pretty simple. There’s no advanced AI or machine learning involved; instead, they work using RFID or infrared (IR) technology (the more advanced option).
RFID bracelets simply receive radio signals through a central transmitter and are programmed to behave in certain ways based on different zones, because of this Video by WSJ feature explained. Usually the same signal is transmitted to the entire network of bracelets. In contrast, infrared bracelets allow event organizers to send data signals to specific areas of the stadium, creating complex effects such as heart shapes, flashing lights, etc. (you may have seen these heart shapes at Coldplay concerts).
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IR Wristbands at Coldplay Concerts: How They Work
Think of it like how your TV remote works. Your TV remote sends an IR (infrared) signal to the TV to turn it on. Similarly, at concerts, organizers use a central transmitter to beam IR signals to different areas of the audience. This allows different areas of the stadium to light up, creating complex animations and other effects that the audience enjoys watching.
Imagine the generator as a distant control and the robotic arm controls the transmitter like your hand. Like a torch, you light up the area where you aim the beam. That’s how it works—by directing the signal to the parts of the audience wearing the wristbands, lighting them up in perfect sync.
This means you don’t have to stay in one place. Even if you move to another location, the effect of the LED bracelet will not be interrupted, as it only responds when the infrared emitter shines a signal. Unlike RFID bands, IR bands are independent of your location.
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