Cecil Moore wrote:
Irv Finkleman wrote:
Let it out in morse code! People will look around to
see which radio it's coming from and you'll remain
undetected.

Seems anyone who can do it at 1kHz is a tight a$$. :-)
If that were the case, I would design an olfactory DSP to be worn at all
times in public. IT would be tuned to "rose"