#include <Servo.h>
#include<ThingSpeak.h>
Servo myservo;
 int servoPin123 = 3;
 unsigned long myChannelNumber = 2489652;
const char * myWriteAPIKey ="EMS8J1U7L7PKZPV7";
int statusCode;


const int trigPin = 9;
 const int echopin = 10;


long Duration;
int Distance;

void setup() {
myservo.attach(servoPin123);
pinMode(echopin , INPUT);
Serial.begin(9600);
}


void channelupdation()
{
  if(statusCode == 200) { //successful writing code
Serial.println("Channel update successful.");
}
else {
Serial.println("Problem Writing data. HTTP error code :" +
String(statusCode));
}
}

void loop() {
// Clears the trigPin
digitalWrite(trigPin, LOW);
delayMicroseconds(1);
digitalWrite(trigPin, HIGH); // Sets the trigPin on HIGH state for 10 micro seconds
delayMicroseconds(5);
digitalWrite(trigPin, LOW);
// Reads the echoPin, returns the sound wave travel time in microseconds
Duration = pulseIn(echopin , HIGH);
Distance= Duration *0.034/2; // Calculating the Distance
Serial.print("Distance: "); 
Serial.println(Distance);


if (Distance<6){
  myservo.write(0); }

else if(Distance>=6) {
  myservo.write(180);
}



  ThingSpeak.setField(1, Distance);
ThingSpeak.setField(2, Duration);
statusCode = ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);
 
 channelupdation(); 
  delay(15000);
}