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Sound module

R21.22 inc VAT

27 in stock

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SKU: sou-300 Category: Tag:

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This small breakout board couples a small microphone with a 100x opamp to amplify the sounds of voice, door knocks, etc loud enough to be picked up by a micro controllers Analog to Digital converter. Unit comes fully assembled as shown.

Arduino microphone sound detection sensor module

High sensitivity

Two outputs: 1. AO, analog output, real-time output of the microphone voltage signal

2. DO, digital output when the sound intensity reaches a threshold

Sensitivity potentiometer adjustable

Use DC 5V power supply

Power indicator LED

Pin layout: 1. Analog 2. Ground 3. + 4. Digital

void setup()
  Serial.begin(9600); // open serial port, set the baud rate to 9600 bps
void loop()
      int val;
      val=analogRead(0);   //connect mic sensor to Analog 0
      Serial.println(val,DEC);//print the sound value to serial       


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