#include <WiFi.h>
#include <ThingSpeak.h>
char ssid[] = "Wokwi-GUEST";
char pass[] = "";WiFiClient client;
unsigned long myChannelNumber = 2074333;
const char * myWriteAPIKey = "32K05ECYM2E2F7UT";
int a=100, statusCode;
void setup() 
{
Serial.begin(115200);
WiFi.mode(WIFI_STA);
ThingSpeak.begin(client);
}
void loop() 
{
  if(WiFi.status() != WL_CONNECTED)
  {
    Serial.print("Attempting to connect");
    while(WiFi.status() != WL_CONNECTED)
    {
      WiFi.begin(ssid, pass);
           // Connect to WPA/WPA2 network. Change
           //this line if using open or WEP network
            Serial.print(".");
            delay(5000);
            }
            Serial.println("\nConnected.");
            }
            a++;
            statusCode = ThingSpeak.writeField(myChannelNumber, 1, a,myWriteAPIKey);
            if(statusCode == 200)
             { //successful writing code
             Serial.println("Channel update successful.");
             }
             else {Serial.println("Problem Writing data. HTTP error code :" +String(statusCode));
             }
             delay(15000);
              // data to be uploaded every 15secs
              }