#include <WiFi.h>
#include <ThingSpeak.h>
#define V0 500
#define LED 7
#define LDRin A0
WiFiClient client;
char const* ssid="Wokwi-GUEST";
char const* passwd="";
unsigned long ChannelNum=2758007;
const char* API="FHSCZ6GOGMGEMGRP";

void setup()
{
  Serial.begin(115200);
  pinMode(LED, OUTPUT);
  digitalWrite(LED, LOW);
  Serial.println("Connecting");
  while(WiFi.begin(ssid,passwd)!=WL_CONNECTED)
  {
    delay(500);
  }
  Serial.println("Connected TaDA");
  Serial.println("IP Address");
  Serial.println(WiFi.localIP());
  ThingSpeak.begin(client);

}

void loop()
{
  int ldr_in=analogRead(LDRin);
  Serial.println(ldr_in);
  float lux=map(ldr_in,0,1023,0,1000);
  Serial.println("lux");
  Serial.println(lux);
  ThingSpeak.writeFields(ChannelNum,API);
  if(lux>V0)
  {
    digitalWrite(LED, HIGH);
  }
  delay(2000);
}