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Dear All,
I am very new in arduino and i am planning to make a noise detector device using Arduino Uno Please Give some Sugession and help me?
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Dear All,
I am very new in arduino and i am planning to make a noise detector device using Arduino Uno Please Give some Sugession and help me?

What are the sensitivity, dynamic range, and bandwidth requirements for your detector? Or perhaps what and why you wish to measure 'noise' might help with suggestions.

Lefty
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Here is a recent Instructable that has an audio board  Measures Sound Pressure to connect to an Arduino Board.
Is this what you were looking for?
http://www.instructables.com/id/Sound-Pressure-sensor-for-Arduino-based-on-ZX-soun/  Not that the Resistor Capacitor circuit creates a high frequency cutoff filter ( which is good to measure sound pressure).

I  just give you some links I googled about a noise detector.
http://www.docstoc.com/docs/91034206/Electronic-Schematic-Circuit-Diag-for-Noise-Detector
Same circuit on different website.
http://circuitdigital.blogspot.com/2011/06/room-noise-detector.html
http://www.eeweb.com/blog/circuit_projects/noise-detector-for-isolated-room

http://www.slideshare.net/bluemath144729/sound-detector-17732105  Good example of OP-AMPs to amplify Audio input from a microphone  and to rectify the audio AC into DC for analog voltage measurement by 10 bit ADC input on the UNO board.

http://sensors.circuitlab.org/2011/05/op-amp-based-sound-detector-circuit.html
http://users.ntua.gr/dpiperid/MyWebPage/Contructions/Amplifiers/MicrophoneAmpEN.htm   Sound dectection circuit with Microphone and Transistor Amp.

Arduino Tutorials
http://tronixstuff.wordpress.com/tutorials/
http://www.freetronics.com/
http://www.digistump.com/   Portland Oregon based Arduino board maker

Development Environment and Arduino Tools.
http://www.puppylinux.org   Place to download Free Linux OS for use in USB Flash Drive or CD-R disk.   Add Java and  Arduino 1.0.3 or above software package for an Arduino Development environment
http://wellminded.com/puppy/pupsearch.html   Search on "Java Install" and "Arduino Install"


KiCad  Schematic Circuit  drawing tool  http://kicad-pcb.org/
https://launchpad.net/kicad
http://en.wikipedia.org/wiki/KiCad

Eagle  CAD software  http://www.cadsoftusa.com/?CMP=KNC-G-BRND-EC
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