int Trig = 9;
int exo = 8;
void setup() {

  Serial.begin(9600);
  pinMode(Trig, OUTPUT);
  pinMode(exo, INPUT);
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);

}
int distant(){
  digitalWrite(Trig, LOW);
  delayMicroseconds(2);
  digitalWrite(Trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(Trig, LOW);

  int detect = pulseIn(exo, HIGH);
  int cm = detect/58.4;
  return cm;
  
}

void loop() {
 int rrr = distant();
 Serial.println(distant());
 digitalWrite(13, HIGH);
 if (rrr < 350){
  digitalWrite(12, HIGH);
 }
 if (rrr < 300){
  digitalWrite(11, HIGH);
 }
 if (rrr < 250){
  digitalWrite(10, HIGH);
 }
 if (rrr < 200){
  digitalWrite(7, HIGH);
 }
 if (rrr < 150){
  digitalWrite(6, HIGH);
 }
 if (rrr < 100){
  digitalWrite(5, HIGH);
 }
 if (rrr < 50){
  digitalWrite(4, HIGH);
 }
 digitalWrite(13, HIGH);
 if (rrr > 350){
  digitalWrite(12, LOW);
 }
 if (rrr > 300){
  digitalWrite(11, LOW);
 }
 if (rrr > 250){
  digitalWrite(10, LOW);
 }
 if (rrr > 200){
  digitalWrite(7, LOW);
 }
 if (rrr > 150){
  digitalWrite(6, LOW);
 }
 if (rrr > 100){
  digitalWrite(5, LOW);
 }
 if (rrr > 50){
  digitalWrite(4, LOW);
 }
 
}