#include <WiFi.h>
#include <HTTPClient.h>
#include <DHT.h>

#define DHTPIN 13
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

const char *ssid = "Wokwi-GUEST";
const char *password = "";
const char *serverURL = "http://cyodk661lp.sharedwithexpose.com/nangcao/add.php";

void setup() {
 Serial.begin(9600);
 Serial.print("Connecting to WiFi");
 WiFi.begin(ssid, password);
 while (WiFi.status() != WL_CONNECTED) {
 delay(100);
 Serial.print(".");
 }
 Serial.println(" Connected!");
 dht.begin();
}

void loop() {
 if (WiFi.status() == WL_CONNECTED) {
  float nhietdo = dht.readTemperature();
  float doam = dht.readHumidity();

 Serial.println("Nhiệt độ: ");
 Serial.print(nhietdo);
 Serial.print(" °C, Độ ẩm: ");
 Serial.println(doam);
 Serial.println(" %");

 if (isnan(nhietdo) || isnan(doam)) {
 Serial.println("Failed to read from DHT sensor!");
 return;
 }

 String url = String(serverURL) + "?nhietdo=" + String(nhietdo) + "&doam=" + String(doam);

 HTTPClient http;
 http.begin(url);
 int httpCode = http.GET();

 if (httpCode > 0) {
 String payload = http.getString();
 Serial.println("HTTP status code: " + String(httpCode));
 Serial.println("Server response: " + payload);
 } else {
 Serial.println("Error on HTTP request");
 }
 http.end();
 }
 delay(2000);
}