#include <WiFi.h> 
#include <WiFiClient.h>
#include <ThingSpeak.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include "DHT.h"
#include <Wire.h> 
#include <LiquidCrystal_I2C.h> 

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

 const char *ssid="Wokwi-GUEST"; 
 const char *pass= ""; 
 
WiFiClient client; unsigned long myChannelNumber =2632341; 
const char myWriteAPIKey[] ="RZ3ZW7W24ICA6RJD"; 
const char* server = "api.thingspeak.com"; 
 int Ledk= 19; 
 int Ledh= 18; 
 int Lux, i; 
 int trigPin = 25;
 int echoPin = 33;
 int DHTPIN =  16;
 int pir = 12;
 int DHTTYPE = DHT22;
 int temp, j;
 int humi, k;
 int dist, l;
void setup() { 
    Serial.begin(115200);

  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }
  delay(2000);
  display.clearDisplay();

  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0, 10);
  // Display static text
  display.println("Hello, World!");
  display.display(); 

  ThingSpeak.begin(client);   
  WiFi.begin(ssid, pass);  
   pinMode(34, INPUT);   
   pinMode(Ledk, OUTPUT);   
   pinMode(Ledh, OUTPUT); 
   pinMode(trigPin, OUTPUT);
   pinMode(echoPin, INPUT);
   pinMode(pir,INPUT);
}  
 void loop() { Lux = 
 analogRead(34); i = map(Lux, 0, 1023, 0, 255); 
 if(Lux > 500){   
  analogWrite(Ledk, HIGH);   
  analogWrite(Ledh, LOW);   
  delay(1000);
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  pulseIn(echoPin, HIGH); 
}else{ 
  analogWrite(Ledh, HIGH);  
  analogWrite(Ledk, LOW); 
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  pulseIn(echoPin, HIGH);
} 
  Serial.print("lux :"); 
  Serial.println(Lux);
  Serial.print("Temperature: ");
  Serial.println(temp);

  Serial.print("Humidity: ");
  Serial.println(humi);

  Serial.print("Distance: ");
  Serial.println(dist);

  Serial.println("---------------------------");

ThingSpeak.writeField(myChannelNumber,1,Lux,myWriteAPIKey);
ThingSpeak.writeField(myChannelNumber,2,temp,myWriteAPIKey);
ThingSpeak.writeField(myChannelNumber,3,humi,myWriteAPIKey);
ThingSpeak.writeField(myChannelNumber,4,dist,myWriteAPIKey); 
}