Different devices for one implant

[TSMC55]

Wow. Look at me beating Pilgrim! Found it!

Hack: store 2 to 3 different EM41xx on a single T5577

I didn’t think this would work, but amazingly it does: you can have more than one EM UID on a single implant. And it works pretty good too! So, a bit of background: as you may know, my SiRFIDaL RFID login software for Linux can work with two different kinds of readers: repeating (or continuous) readers and one-shot readers. The former send whatever is in the field repeatedly (or can be polled continuously), while the latter only send the UIDs of tags that come into the field once. Repeating re…