224
Enter a postal address, I think you'll find it near-impossible
(lemmy.blahaj.zone)
cross-posted from: https://lemmy.blahaj.zone/post/34019743
Map the tonal range of the human voice from 00000, the lowest-pitched, to 99999, the highest-pitched. Sing a note into your microphone that corresponds to your postal code.
EDIT: Make it a Base-36 range so as to allow letters A-Z when they are used in postal codes.