I was gonna go to the hackspace and finish my hat, then bodies happened.
Instead, I'm doing some light Sunday reading.
I have a pair of chinese rave glasses that can display scrolling text, bitmaps, or animations. They also make you look way too cool for school.
They speak Bluetooth to a shady APK, I've put it on a disconnected phone and I'm reverse engineering the protocol. https://queer.af/media/kPpwoBGP0l_uV41DNcs
The protocol looks simple enough; it exposes a GATT service:
char0002 has flags: read, write-without-response and notify, the device has no manufacturer info, and all the UUIDs are generic
By the way, this is from Cyberdog, if anybody wants a pair: https://www.cyberdog.net/products/rave-glasses
I also have one of these collars, which is next once I finish this: https://www.cyberdog.net/collections/accessories-light-up/products/future-collar?tag=
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