SOUND REACTING LEDs USING ARDUINO UNO AND SOUND SENSOR

In this video, we show you how sound reacting leds work using Arduino uno and sound sensor. A sound sensor is defined as a module that detects sound waves through its intensity and converting it to electrical signals. This is the reason why when we play sound from a device like cellphone, the leds will react according to the intensity of the sound with the help of Arduino uno.

#ArduinoLEDs #ArduinoSoundSensor #LEDSoundSensor

We can always define sound reacting led lights according to our needs just like these sound reacting led or sound reacting leds.

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Arduino Code

int mic = A0;
int reading = 0;
int level = 0;

void setup() {
  // put your setup code here, to run once:
  for (int i = 8; i <= 11; i++) {
    pinMode(i, OUTPUT);
  }
  pinMode(mic, INPUT);
  Serial.begin(9600);
  
}


void loop() {

  
  reading = analogRead(A0);
  level = int(reading/20);
  if (reading > 10) {
    Serial.println(level);
  }
  for (int i = 1; i <= level; i++) {
    digitalWrite(i, HIGH);
    delay(10);
  }
  for (int i = 8; i <= 11; i++) {
    digitalWrite(i, LOW);
    
  }
}