alt Hacker NewsI mean yeah, that's cool as a fun project. And I've also heard about a project that used accelerometers as microphones for surveillance. And while it's doable, even the cheapest crappiest mic would do a much better job at recording sounds for whatever is your goal.
> even the cheapest crappiest mic would do a much better job at recording sounds
And if you don't even have that, use a speaker/headphone as the microphone, probably also better results.