Clap Command Car

#define enA 9

#define in1 6

#define in2 5

#define in3 3

#define in4 4

const int threshold = 225;    // Threshold for clap detection

unsigned long lastClapTime = 0;

int clapCount = 0;

int ClapLag = 150;

int MoveLag = 600;

void setup() {

  pinMode(enA, OUTPUT);

  pinMode(in1, OUTPUT);

  pinMode(in2, OUTPUT);

  Serial.begin(115200);

  stopMotor(); // Ensure motor is stopped at the start

}

void loop() {

  int sensorValue = analogRead(A0);

  // Detect a clap

  if (sensorValue > threshold && millis() - lastClapTime > ClapLag) {

    Serial.println("Clap");

    Serial.println(sensorValue);

    clapCount++;

    lastClapTime = millis();

    delay(200); // Prevents multiple detections from a single clap

  }

  // If no claps detected for a period of time, decide action based on clap count

  if (millis() - lastClapTime > MoveLag && clapCount > 0) {

    if (clapCount == 2) {

      moveForward();

    } else if (clapCount == 3) {

      moveBackward();

    } else if (clapCount == 1) {

      stopMotor();

    }

    clapCount = 0; // Reset clap count after taking action

  }

}

void moveForward() {

  analogWrite(enA, 255);

  digitalWrite(in1, LOW);

  digitalWrite(in2, HIGH);

  digitalWrite(in3, LOW);

  digitalWrite(in4, HIGH);

}

void moveBackward() {

  analogWrite(enA, 255);

  digitalWrite(in1, HIGH);

  digitalWrite(in2, LOW);

  digitalWrite(in3, HIGH);

  digitalWrite(in4, LOW);

}

void stopMotor() {

  analogWrite(enA, 0);

  digitalWrite(in1, LOW);

  digitalWrite(in2, LOW);

  digitalWrite(in3, LOW);

  digitalWrite(in4, LOW);

}