#include <WiFi.h>
#include <HTTPClient.h>
#include <DHT.h>
    
#define DHTPIN 13
#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);

float tem = 0;
float hum = 0;

const char* ssid = "yourWIFIname";
const char* password = "WIFIpassword";
String serverName = "http://ip/https-severname";

unsigned long lastTime = 0;
unsigned long timerDelay = 5000;

void setup() {
    
    delay(500);
    Serial.begin(9600);
    
    WiFi.begin(ssid, password);
    Serial.println("Connecting");
    
    while(WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
    }
    
    Serial.println("");
    Serial.print("Connected to WiFi network with IP Address: ");
    Serial.println(WiFi.localIP());
    Serial.println("Timer set to 5 seconds (timerDelay variable), it will take 5 seconds before publishing the first reading.");
}
void loop() {
    
    tem = dht.readTemperature();
    hum = dht.readHumidity();
    
    Serial.print("Temperature :");
    Serial.print(tem);
    
    Serial.print("Humidity :");
    Serial.print(hum);
    
}
if ((millis() - lastTime) > timerDelay) {

    if(WiFi.status()== WL_CONNECTED){
        HTTPClient http;
        String serverPath = serverName + "?Temperature=" + String(tem) + "&" + "Humidity=" + String(hum);

        http.begin(serverPath.c_str());       //부동숫자 문자열로 변경

        int httpResponseCode = http.GET();

        if (httpResponseCode>0) {
            Serial.print("HTTP Response code: ");
            Serial.println(httpResponseCode);
            String payload = http.getString();
            Serial.println(payload);
        }
        else {
            Serial.print("Error code: ");
            Serial.println(httpResponseCode);
        }
    
        http.end();
    }
    else {
        Serial.println("WiFi Disconnected");
    }
        lastTime = millis();
    }
}