Tagged Questions

2
votes
2answers
123 views

I want to connect mic to audio output in arduino?

My knowledge in electronics is poor. I want to output audio stream from mic to audio And I use following code in Arduino ...
7
votes
3answers
600 views

How do I get +5v for loud noise, 0v for silence from Electret Microphone (or other components)?

I have been asking a few questions here to get to a proper one, the initial questions I asked are linked to at the end. I used Fritzing to make up some schematics of my initial thoughts, but at the ...
5
votes
4answers
537 views

Can I use a PNP Transistor with an Electret Microphone to get an non-inverting output for my Arduino?

I'm looking to simply read the generic sound level from an Electret Microphone. I've seen a number of schematics with NPN transistors, that will provide an inverted output (~5V when quiet, ~0V when ...
5
votes
3answers
651 views

Electret Microphone preamplification - will it work for dynamic type microphone?

I'd like to use this diagram to pre-amplify a microphone signal in order to activate the analog input of my arduino Will it work with a dynamic microphone in place of an electret microphone?
4
votes
2answers
769 views

How to connect mic on arduino, with opamp?

I'm trying to connect a contact mic to an arduino. My knowledge in electronics is sparse, so please bear with me. I got a couple of lm833n audio dual opamps, which I'd like to put to use. I'm still ...
2
votes
1answer
2k views

How to stream Arduino-based camera to HTTP server?

I'm designing a simple Arduino-based robot that would be capable of streaming an A/V feed (small color camera and microphone) over the Internet to a URL (my web server). I would be using an Arduino ...
7
votes
3answers
9k views

Using a microphone with an Arduino

EDIT: I have been investigating in this problem for quite some time. It turns out to be a way more difficult project than I thought and not something for beginners. This requires expensive hardware ...
2
votes
3answers
462 views

Does this amplifier work with 5V?

I'm using an Arduino to read an analog signal from an electret microphone. Here is the circuit: But I will be powering it with 5V from the Arduino, So would this work okay? Thanks!
5
votes
3answers
7k views

How to make a clean amplified microphone analog to digital conversion?

I've asked a couple of questions relating to this project the past couple of days, but I cant seem to put it all together. I hooked up an electret mic into an opamp and gave output to my arduino ...
3
votes
1answer
705 views

What is the voltage range on an Arduino pin when doing analogRead()?

I know what an Arduino's ADC generates a number with 10 bits of resolution (0 to 1023). How is this number generated? Is there a minimum and maximum voltage it will assign 0 and 1023 to, respectively? ...
3
votes
4answers
3k views

Why is microphone + opAmp + Arduino circuit not working?

I followed the mic + op-Amp part of this schematic exactly using an Lm386 chip: https://randomskk.net/projects/lightstrip/schematic.pdf and sent the output from the op-amp into a pin on an Arduino ...
0
votes
1answer
937 views

Arduino + Microphone how to grab values?

I have a simple microphone. How can I send some "volume" or "oscillation" values via serial to the computer? I built a simple preamp but it does not respond, any hints?