LED Control using Mic

 const int micPin = A0;  // Analog pin connected to the microphone sensor

const int ledPin = 8;   // Digital pin connected to an LED

const int threshold = 500; // Sound threshold for detecting a clap

bool ledState = false;  // To track the state of the LED

unsigned long lastClapTime = 0; // To store the time of the last clap

void setup() {

  pinMode(micPin, INPUT);

  pinMode(ledPin, OUTPUT);

  Serial.begin(9600);   // Initialize serial communication for debugging

}

void loop() {

  int soundLevel = analogRead(micPin); // Read the sound level

  Serial.println(soundLevel);          // Print sound level to the Serial Monitor

 

  // Check if the sound level exceeds the threshold

  if (soundLevel > threshold) {

    // Ensure a delay between clap detections to avoid multiple detections for a single clap

    if (millis() - lastClapTime > 500) { // 500 ms debounce time

      ledState = !ledState;             // Toggle the LED state

      digitalWrite(ledPin, ledState);   // Update the LED

      lastClapTime = millis();          // Update the time of the last clap

    }

  }

  delay(10); // Short delay to stabilize readings

}