rascupanamuha
Member
Hi. I have been searching all over the internet for 3 hours now and i cant find my answer
I want to build ARDUINO VU METER.
The only problem is that i dont know what input signal do i need to have:
1) + from 3.5mm jack directly to A0
2) + from 3.5mm jack through voltage divider to A0
3) + from 3.5mm jack through some amplifiers or noise reductors to A0
4) or something else?
My VU meter would have 16 LEDs..
I want to build ARDUINO VU METER.
The only problem is that i dont know what input signal do i need to have:
1) + from 3.5mm jack directly to A0
2) + from 3.5mm jack through voltage divider to A0
3) + from 3.5mm jack through some amplifiers or noise reductors to A0
4) or something else?
My VU meter would have 16 LEDs..