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PixMob events thread (post here if you got a wristband somewhere!) #14
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Woah, that's interesting. Thanks for the photograph. Perhaps it is a Bluetooth one? https://github.com/MustBeArt/PIXMOB-reversing. Can you make out the text on the silver component in the top-middle? (and the others too, I guess) |
The event had 20k+ people, not sure if bluetooth would work with that many people.
Markings on the PCB U1: U2: U3: "CMT2210LH is a low power, high performance OOK RF receiver. It is suitable for ISM band 315MHz/433.92MHz wireless applications." I've checked the datasheet (https://www.hoperf.com/data/upload/portal/20220218/CMT2210LH%20Datasheet%20EN-V0.6-211214.pdf), with the 26.1522 mhz crystal the frequency would be 915mhz. |
Okay, wow! Thanks for thoroughly going through those markings and finding the datasheet. Look like they really are doing a non-BLE RF model of bracelet now! I wonder if they are going to abandon the IR ones completely (TBH that would make me kinda sad) or if this is just a new, different sort of offering. I suppose this would be harder to do location-based targeting with, but they don't always do that with the IR ones anyway. I looked for recent FCC filings by PixMob, and sure enough I found one for a new 915 MHz OOK transmitter. Looks to support 31 individual bracelet groups. It also mentions and "Impact Mode", like on the older IR bracelets? Did they do any motion-sensitive effects at the event? |
Thanks very much for the detailed info! I hope you had a good time at the concert :) |
Looks like the exact same one a friend gave me from the music of the spheres tour! |
i have two PCBs from the Eras tour (June 2023) that are also v2.3r1. I emailed Pixmob to see if they could release their instruction set and didn't hear back lol. It seems like these bracelets are pre-programmed to shut off a while after the show, even with charged batteries. They don't respond to the demo programs. Is there a reset pin on the little 8-pin microcontroller? I might try to figure out a firmware dump... WS |
This is exactly the same one as The Weeknd at Estadi Olímpic de Montjuïc (aka Estadi Olímpic Lluís Companys) I have gone today. https://web.archive.org/web/20230721121534/https://estadiolimpic.barcelona/en/weeknd |
Got the same at Amsterdam Music Festival in October. RF one, working well with captures in rf/ folder ! |
Hello,
I've discovered it's pretty hard to tell where PixMob products have been used in the past/tours where they are currently being used/upcoming events they might be at.
I wonder if we could crowdsource some of this info, so I'm starting a thread here.
I'll start with some I know of:
There are some more listed on the PixMob website and Wikipedia, however those sources are far from exhaustive.
If you get a bracelet from an event that's not been mentioned already, please leave a comment to let us know and describe the bracelet/other item you got!
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