Very cool! Although I'm curious about this part > slowly change the frequency it's tuned to until you hear the sound. You might have to run the command a few t

Very cool! Although I'm curious about this part > slowly change the frequency it's tuned to until you hear the sound. You might have to run the command a few times until finding the right frequency. I don't really know much about this stuff, but shouldn't it be possible to calculate the frequency?