const  int trig = 26;
const int  echo =27;

long duration;
//float distance;
long distance;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
}
void loop() {
digitalWrite(trig, LOW);
delayMicroseconds(2);
digitalWrite(trig, HIGH);
delayMicroseconds(10);
digitalWrite(trig, LOW);

duration = pulseIn(echo, HIGH);
//serial.println(duration);
distance = (duration * 0.034/2) + 1;
Serial.println("distance" + String (distance));
delay(1000);
}