#include <WiFi.h>
#include <ThingSpeak.h>
int p=25;
int l=16;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
WiFiClient client;
unsigned long myChannelNumber =2580546 ;
const char * myWriteAPIKey = "CUEK4ZOH1V9UZLFW";
int statusCode;
void setup() {
  
  Serial.begin(115200);
  pinMode(p, INPUT);
  pinMode(l, OUTPUT);
  WiFi.mode(WIFI_STA);
ThingSpeak.begin(client);
}

void loop() {
  int input_val=analogRead(p);
  int intensity=map(input_val,0,4095,0,255);
  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.");
  }
  analogWrite(l,intensity);
  Serial.println(input_val);
  delay(100);
  ThingSpeak.setField(1,intensity);

statusCode = ThingSpeak.writeFields(myChannelNumber,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);
  
   
}