Enthusiastic newbie is looking for advice

[Pilgrimsmaster]

Some other ideas for business card sharing

Automated vCard writer (with photo)

Since I posted this yesterday (in the wrong thread naturally…), I’ve been obsessing a little over trying to cram as much data and as best a photo as possible on a limited size NTAG. Classic hacker pursuit: there isn’t nearly enough enough space on an NFC tag for a decent vCard photo, so I just had to do it I’ve been trying different JPEG encoders, different mugshot sizes, contrasts etc… I played the what-if game manually for a while - that is, change something, regenerate the vCa…

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…

@Plato

Maybe put the chip in your butt and put the reader in the seat

The amazing RFID office chair

A year and and half ago, I set out to create an RFID office chair that logs me in and out of my computer automatically when I sit down or get up, using a strategically placed implant in my backside. Well, at long last, here it is: What you need to create this: A flexEM implant in your back, configured as a dual-EM4100: An office chair with a RS232 ACM08Y long range reader bolted to the back: [image] A Linux computer running SiRFIDaL: The flexEM has roughly a foot o…

I miss Rosco and his projects!!!