I was wondering if anyone could tell me if it was possible to power an electret microphone like this one with battery power instead of the on board power and ground.
Currently I have a 9volt battery going into something similar to this and set to 3.3 volts (although I tried 5 volts as well, and changed my code accordingly but now back).
I have it working powered from the board's 3.3v and ground but when I try it with the battery power it is not very sensitive at all. Like I have to clap close to or tap the microphone to get a .25 volt reading. I understand I could change the sensitivity and my coding but I have it working perfectly fine with the board's power and ground.
Long story on why not just the board's pins then but in general just wondering if there is a reason for this and/or if there is a way to get it to work. Thanks