#include <WiFi.h>
#include <ThingSpeak.h> // always include thingspeak header file after other header files and custom macros

const char* ssid = "Wokwi-GUEST";
const char* password = "";

#define SECRET_CH_ID 2524249  // replace 0000000 with your channel number
#define SECRET_WRITE_APIKEY "YJAM654SOI4LC19K"   // replace XYZ with your channel write API Key

int keyIndex = 0;            // your network key Index number (needed only for WEP)
WiFiClient  client;
unsigned long myChannelNumber = SECRET_CH_ID;
const char * myWriteAPIKey = SECRET_WRITE_APIKEY;
float pinval;
float temp=0.00;
#include "DHTesp.h"
const int DHT_PIN = 15;
DHTesp dhtSensor;

void setup() 
{

  Serial.begin(115200);  //Initialize serial
    while (!Serial) {
        ; // wait for serial port to connect. Needed for Leonardo native USB port only
          }
              WiFi.mode(WIFI_STA);   
                ThingSpeak.begin(client);  // Initialize ThingSpeak
                  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
                     wifiConnect();

                       Serial.println("");
                         Serial.println("WiFi connected");
                           Serial.println("IP address: ");
                             Serial.println(WiFi.localIP());
                               Serial.println(WiFi.macAddress());

                               }

                               void wifiConnect() {
                                 WiFi.mode(WIFI_STA);
                                   WiFi.begin(ssid, password);
                                     while (WiFi.status() != WL_CONNECTED) {
                                         delay(500);
                                             Serial.print(".");
                                               }
                                               }

                                               void loop() 
                                               {
                                                 TempAndHumidity  data = dhtSensor.getTempAndHumidity();
                                                   Serial.println("Temp: " + String(data.temperature, 2) + "°C");
                                                     Serial.println("Humidity: " + String(data.humidity, 1) + "%");
                                                       Serial.println("---");
                                                         // Write to ThingSpeak. There are up to 8 fields in a channel, allowing you to store up to 8 different
                                                           // pieces of information in a channel.  Here, we write to field 1.
                                                           ThingSpeak.setField(1, data.temperature);
                                                           ThingSpeak.setField(2, data.humidity);
                                                             int x = ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);
                                                               if(x == 200)
                                                                 {
                                                                     Serial.println("Channel update successful.");
                                                                       }
                                                                         else
                                                                           {
                                                                               Serial.println("Problem updating channel. HTTP error code " + String(x));
                                                                                 }
                                                                                   delay(16000); // Wait 15 seconds to update the channel again
                                                                                   }