// C++ code
//

int Echo = 5;
int Trig = 6;
int timeInMicroseconds;
int distanceInCm;
//int moistureSignal = A0;
//int ledPin = 13;

String signal;


void setup()
{
  pinMode(Echo, INPUT);
  pinMode(Trig, OUTPUT);
 // pinMode(moistureSignal, INPUT);
//  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
}

void loop()
{
  //sending a signal impulse
digitalWrite(Trig, LOW);
  delayMicroseconds(2);
digitalWrite(Trig, HIGH);
  delayMicroseconds(10);
digitalWrite(Trig, LOW);
  
  
  //receiving the sent signal
  
  timeInMicroseconds = pulseIn(Echo, HIGH);
  distanceInCm = timeInMicroseconds/29/2;
  Serial.print("Distance: ");
  Serial.print(distanceInCm);
  Serial.println("cm");
  delay(1000);
  
  
};