i need some help on finding a suitable eletret microphone circuit to detect 10khz-40khz. I search on the internet. but sadly i dun have a clue what should i find.
So hopefully anyone from this forum can help find for me and paste the circuit diagram or the website URL for me. Thank you very much.
if can, prefer to be a not so complicated circuit and commons components which are widley available. Thank you.
So hopefully anyone from this forum can help find for me and paste the circuit diagram or the website URL for me. Thank you very much.
if can, prefer to be a not so complicated circuit and commons components which are widley available. Thank you.