Dermal piercing as a USB interface for a storage implant

[Pilgrimsmaster]

This may be of interest for storing document images

COVID certificate and other large NDEFs

I’m continuing this here from this post because it would become really OT in the other thread. @Pilgrimsmaster: maybe you could transfer the other post in here for consistency? So, I have a nice short PDF that fits in a DESFire EV2. I figured I’d give burning it into one of my test cards a shot, to see how long it takes to read back, and I’m running into a really basic problem that I didn’t even think about: how to stick a PDF into an NDEF? Long story short, TagWriter doesn’t kn…