On: Show HN: I built an app to use a QR code as my doorbell

[AndrewOMartin]

I think I walked past this in a European capital city, could that have been your doorbell (city not specified for obvious reasons)? Or are other people already using this?

[dirkc → AndrewOMartin]

I doubt that it was one of mine, I'm much further south.

I'd be very curious to hear more about it

[AndrewOMartin → dirkc]

I think it was this: https://www.reddit.com/r/iiiiiiitttttttttttt/comments/tam0yi...