Sound sensor module for big sounds

Euro 3.95 *Prices include VAT

Article code: ARD132
Lage voorraad / low stock

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Sound sensor module for big sounds . Suitable for Arduino or other microcontrollers. Can be used for voice-activated lights, with light sensors to make a sound and light alarm, and sound control, sound testing occasions.

Example code

// Function: If the sound sensor senses a sound that is up to the threshold you set in the code, the LED is on for 200ms.

// Hardware: Grove - Sound Sensor, Grove - LED

/*macro definitions of the sound sensor and the LED*/

#define SOUND_SENSOR A0

#define LED 3 // the number of the LED pin

#define THRESHOLD_VALUE 400//The threshold to turn the led on 400.00*5/1024 = 1.95v

void setup()

{

Serial.begin(9600);

pins_init();

}

void loop()

{

int sensorValue = analogRead(SOUND_SENSOR);//use A0 to read the electrical signal

Serial.print("sensorValue ");

Serial.println(sensorValue);

if(sensorValue > THRESHOLD_VALUE)

{

turnOnLED();//if the value read from A0 is larger than 400,then light the LED

delay(200);

}

turnOffLED();

}

void pins_init()

{

pinMode(LED, OUTPUT);

pinMode(SOUND_SENSOR, INPUT);

}

void turnOnLED()

{

digitalWrite(LED,HIGH);

}

void turnOffLED()

{

digitalWrite(LED,LOW);

}

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Sound sensor module for big sounds

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