#include <DHTesp.h>
#include <WiFi.h>
#include <ThingSpeak.h>
DHTesp dhtsensor;
TempAndHumidity data;
const int trigpin=13;
const int echopin=12;
const int dht_pin=15;
float duration;
int distance;
char ssid[]="Wokwi-GUEST";
char pass[]="";
WiFiClient client;
unsigned long myChannelNumber= 2072909;
const char* myWriteAPIKey="X0JX3V9R9V2WA9XK";
int statusCode;
void setup() {
  // put your setup code here, to run once:
    Serial.begin(115200);
      dhtsensor.setup(dht_pin,DHTesp::DHT22);
        pinMode(trigpin, OUTPUT);
          pinMode(echopin, INPUT);
            dhtsensor.setup(dht_pin,DHTesp::DHT22);
              WiFi.mode(WIFI_STA);
                ThingSpeak.begin(client);
                }
                void loop() {
                data=dhtsensor.getTempAndHumidity();
                Serial.println("Humidity:"+String(data.humidity));
                Serial.println("Temperature:"+String(data.temperature));
                  // put your main code here, to run repeatedly:
                    delay(1000);
                      digitalWrite(trigpin, LOW);
                        delayMicroseconds(2);
                          digitalWrite(trigpin, HIGH);
                            delayMicroseconds(10);
                              digitalWrite(trigpin, LOW);
                                duration=pulseIn(echopin,HIGH);
                                  distance=duration*0.034/2;
                                    Serial.println(distance);
                                      data=dhtsensor.getTempAndHumidity();
                                       Serial.println("humidity: "+String(data.humidity));
                                        Serial.println("Temperature: "+String(data.temperature));
                                         delay(1000);
                                         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");
                                                                                   ThingSpeak.setField(1,data.humidity);
                                                                                     ThingSpeak.setField(2,data.temperature);
                                                                                       ThingSpeak.setField(3,distance);
                                                                                         statusCode=ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);

                                                                                           if(statusCode==200)
                                                                                             {
                                                                                                 Serial.println("Channel update successful");
                                                                                                   }
                                                                                                     else
                                                                                                       {
                                                                                                           Serial.println("Problem Writing data: HTTp error code:"+String(statusCode));
                                                                                                             }
                                                                                                                delay(15000);
                                                                                                                }