#include <WiFi.h>
#include <HTTPClient.h>
#include "DHT.h"
#define DHTPIN 15
#define DHTTYPE DHT22
const char* ssid = "Wokwi-GUEST";
const char* password = "";
String server = "http://api.thingspeak.com/update?api_key=X1E7G2VL49UC1RQT";
DHT dht(DHTPIN, DHTTYPE);
void setup() {
 Serial.begin(115200);
 WiFi.begin(ssid, password);
 while (WiFi.status() != WL_CONNECTED) {
 delay(500);
 Serial.print(".");
 }
 Serial.println("Connected to WiFi");
 dht.begin();
}
void loop() {
 if(WiFi.status()== WL_CONNECTED){
 HTTPClient http;
 float temperature = dht.readTemperature();
 float humidity = dht.readHumidity();
 String url = server + "&field1=" + String(temperature) + "&field2=" + String(humidity);
 http.begin(url.c_str());
 int httpResponseCode = http.GET();
 if(httpResponseCode>0){
 Serial.println("Data sent to ThingSpeak");
 }
 else{
 Serial.println("Error sending data");
 }
 http.end();
 }
 delay(20000); // ThingSpeak requires 15s minimum interval
}