Troubleshooting MEMS microphone breakout?

Sensors Sound & Audio
1

I recently purchased a MEMS microphone breakout board:

https://www.sparkfun.com/products/9868

I had a brain cramp, and didn’t read the hookup info closely enough: I subsequently applied 5v to it instead of 3.3v. It doesn’t seem to be working now, so I may have killed it. But I’m not sure if it’s a hardware problem or a shortcoming in my Arduino code.

Any suggestions for bench testing or troubleshooting to confirm that hardware is the problem? Thx.

2

Hi Denny.

3.3 volts is the absolute maximum allowed for the microphone and 5 volts would have most likely permanently damaged the board. If it’s not working, it very likely needs to be replaced.

3

Nuts. That’s what I expected, hoped I was wrong. Guess I shoulda ordered 2 of them. Thx for the confirmation.