Lessons Learned - NFC

A project log for Beeping, Blinking Business-card Badge (B4)

Second generation of the NFC business card adding audible feedback

greggreg 02/27/2021 at 03:090 Comments

To be useful as a business card, I can't expect a stranger to load an app to get the vcard.  This means I need to use the standard vcard NDEF and live with the power that provides.  That only lets me play a couple quick tones.  I was hoping to find a way to trick the phone into reading longer, but I haven't found it yet.