I’m not sure when I’d use this, but its a neat concept
Decimen is an open-source web app that moves files between devices through an animated QR stream, requiring no direct network connection, pairing, account, or native app.
I’m not sure when I’d use this, but its a neat concept
Decimen is an open-source web app that moves files between devices through an animated QR stream, requiring no direct network connection, pairing, account, or native app.
The modern version is called Li-Fi. It’s capable of multi gigabit speeds. There doesn’t seem to be much that actually uses it though.