buzzer does not work with distance sensor hc-sr04

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16

LarryD:
Attach the actual code you are debugging to your next post.
Use the [ code] # button you see at the top of the Text box.

#define trigPin 7
#define echoPin 8
#define buzzerPin 10
void setup()
{
  Serial.begin(9600);
  pinMode(trigPin,OUTPUT);
  pinMode(echoPin,INPUT);
}

void loop()
{
  int duration, distance;
  digitalWrite(trigPin,HIGH);
  delayMicroseconds(1000);
  digitalWrite(trigPin,LOW);
  duration=pulseIn(echoPin,HIGH);
  distance=(duration/2)/29.1;
  Serial.print(distance);
  Serial.println("cm");
  delay(500);
  
  if(distance > 100)
  {
    digitalWrite(10,LOW);
  }
  else
  {
    digitalWrite(10,HIGH);
  }
}