diagram.json

# Wokwi Library List
# See https://docs.wokwi.com/guides/libraries

DHT sensor library for ESPx

libraries.txt

#include "DHTesp.h"
#include <WiFi.h>
#include <HTTPClient.h>

// wifi config
const char *ssid = "Wokwi-GUEST";
const char *password = "";

const char *host = "121.5.72.219";
const int httpPort = 1880;
const String url = "/home/dht22";

// dht22 config
const int DHT_PIN = 15;

DHTesp dhtSensor;

void setup()
{
    Serial.begin(115200);
    dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

    delay(10);

    // We start by connecting to a WiFi network

    Serial.println();
    Serial.println();
    Serial.print("Connecting to ");
    Serial.println(ssid);

    WiFi.begin(ssid, password);

    while (WiFi.status() != WL_CONNECTED)
    {
        delay(500);
        Serial.print(".");
    }

    Serial.println("");
    Serial.println("WiFi connected");
    Serial.println("IP address: ");
    Serial.println(WiFi.localIP());
}

void loop()
{

    Serial.print("connecting to ");
    Serial.println(host);
    TempAndHumidity data = dhtSensor.getTempAndHumidity();
    String temp = String(data.temperature, 2);
    String humi = String(data.humidity, 1);
    Serial.println("Temp: " + temp + "°C");
    Serial.println("Humidity: " + humi + "%");
    Serial.println("---");

    HTTPClient http;
    Serial.print("[HTTP] begin...\n");
    http.begin("http://121.5.72.219:1880/home/dht22"); // HTTP

    Serial.print("[HTTP] GET...\n");
    // start connection and send HTTP header
    String bodystr = "{\"Temp\":" + temp + ",\"Humidity\":" + humi + "}";

    int httpCode = http.POST(bodystr);

    // httpCode will be negative on error
    if (httpCode > 0)
    {
        // HTTP header has been send and Server response header has been handled
        Serial.printf("[HTTP] GET... code: %d\n", httpCode);

        // file found at server
        if (httpCode == HTTP_CODE_OK)
        {
            String payload = http.getString();
            Serial.println(payload);
        }
    }
    else
    {
        Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
    }

    http.end();
    delay(6000);
}