Raspberry Pi “Fart Detector”
My 8-year-old son and I were talking about building things with code, and when I asked what he’d want to make, he (predictably) suggested that we make a “fart detector”.
So we grabbed a wireless Raspberry Pi and a cheap USB microphone and put something together.
Since this only detects sound in general and can’t really distinguish any old sound from a proper fart sound, it’s an imperfect device. But he loved it.