#include <WiFi.h>
 #include <Thinkspeak.h>
 char ssid[] = "Wokwi-GUEST";
char pass[] = "";
WiFiClient client;
 unsigned long myChannelNumber = 2612107;
 const char* myWriteAPIKey = "SV2MPU3UGNM8JVYZ";
 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);
 Serial.print(".........");
  delay(5000);
}
 Serial.println("\nConnected.");
}
 A++;
 statusCode = ThingSpeak.writeField(myChannelNumber, 1, A, myWriteAPIKey);
if(statusCode == 200) {
Serial.println("Channel update successful.");
}  
else 
{
 Serial.println("Problem Writing data. HTTP error code:" +String(statusCode));
}
delay(15000); 
 }