int ledG = 2;
int ledY = 3;
int ledR = 4;
int ledB = 5;
int ledW = 6;
int echo = 12;
int trig = 13;
int time, dist;


void setup() {
  pinMode(ledG, OUTPUT);
  pinMode(ledY, OUTPUT);
  pinMode(ledR, OUTPUT);
  pinMode(ledB, OUTPUT);
  pinMode(ledW, OUTPUT);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
}

void loop() {
  digitalWrite(trig, LOW);
  delayMicroseconds(2);
  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);

  time = pulseIn(echo, HIGH);
  dist = (time / 2) / 29.1;

  if (dist < 200) {
    digitalWrite(ledG, HIGH);
    digitalWrite(ledY, HIGH);
    digitalWrite(ledR, HIGH);
    digitalWrite(ledB, HIGH);
    digitalWrite(ledW, HIGH);

    delay(150);

    digitalWrite(ledG, LOW);
    digitalWrite(ledY, LOW);
    digitalWrite(ledR, LOW);
    digitalWrite(ledB, LOW);
    digitalWrite(ledW, LOW);

    delay(1000);
  }



}