#include <WiFi.h>
#include<ThingSpeak.h>

char ssid[]="Wokwi-GUEST";
char pass[]="";
WiFiClient client;

unsigned long myChannelNumber=2603648;
const char* myWriteAPIKey="JMUNUFG88P0XUZRC";
int statusCode;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
    pinMode(13,OUTPUT);
    pinMode(14,INPUT);

    WiFi.mode(WIFI_STA);
    ThingSpeak.begin(client);
    delay(1000);

}
void getwifi()
{
  if(WiFi.status()!=WL_CONNECTED)
  {
    Serial.print("Attempting to connect");
  while(WiFi.status()!=WL_CONNECTED)
  
  {
    WiFi.begin(ssid,pass);
    Serial.print(".");
    delay(5000);
  }
}
Serial.println("\nConnected");
}


void loop() {

  getwifi();
    digitalWrite(13, HIGH);
     delay(1000);
    digitalWrite(13,LOW);
    float duration=pulseIn(14,HIGH);
    int distance=(duration*0.034)/2;
    Serial.println(distance);

    ThingSpeak.setField(1,distance);

    statusCode=ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);
    if(statusCode==200)
    {
      Serial.println("Channel Update Successfull");

    }
else
{Serial.println("Problem Writing data: HTTp error code:"+String(statusCode));
}
  // put your main code here, to run repeatedly:
  delay(15000); // this speeds up the simulation
}