#include <WiFi.h> 

#include "DHTesp.h"
#include<ThingSpeak.h>

#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

const int DHT_PIN = 15; 
DHTesp dht;
TempAndHumidity data;
const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* api= "ZENW19IKHE65MLSZ";
unsigned long cn=2507000;

int sc;

WiFiClient client;
Adafruit_SSD1306 display(128,32,&wire,-1);



void setup() {
  
 Serial.begin(115200);
 WiFi.mode(WIFI_STA);
 display.begin(SSD1306_SWITCHCAPVCC,0X3C);
 WiFi.begin(ssid, password);
 Thingspeak.begin(client);

 while (WiFi.status() != WL_CONNECTED) {
   delay(500);
   Serial.print(".");
 }
 dht.setup(DHT_PIN, DHTesp::DHT22);
}
void loop() {
 data=dht.getTempAndHumidity();
  while (WiFi.status() != WL_CONNECTED) {
   delay(500);
   Serial.print(".");
 }
 Serial.print("connected");

    Serial.println("Humi: " + String(data.humidity, 1));
  Serial.println("Temp: " + String(data.temperature, 2));
  Serial.println("-----------");
   display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(SSD1306_WHITE);
  display.setCursor(0, 0);
  display.print("Temp: ");
  display.println(data.temperature, 2);
  display.print("Humidity: ");
  display.println(data.humidity, 1);
  display.display();
  ThingSpeak.setField(1,data.temperature);
  ThingSpeak.setField(2,data.humidity);
  sc=ThingSpeak.writeFields(cn,api);
  if(sc==200)
  {
   Serial.print(".success in thingspeak"); 
  }
  else
  {
   Serial.print(".status code wrong");  
  }
 }
}