I posted this a few days ago on Gen May, and I think the rest of the [H] community would get a kick out of it.
Check out my latest PCB business card. It’s made out of 0.8mm FR4, the same prepreg…
I Made a PCB Business Card with NFC. Go Ahead, Reuse My Files!
Source: [H]ardOCP – I Made a PCB Business Card with NFC. Go Ahead, Reuse My Files!