I’ve bought NTAG216 cards and record LNURLw on them:
nostr:note1rldrnlaslyextrnvvn2dnynndud58g5vpujcuzde8cvzv4fx95qseqhx08
Easiest is to use https://lnbits.com/
Btw. I’ve prepared mobile app to make it simpler, but it’s not maintained now.. https://github.com/hynek-jina/lotes