## uno

#include "DHT.h"

#define DHTPIN 2 // D2 for Arduino
#define DHTTYPE DHT11
#define BAUD_RATE 9600

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(BAUD_RATE); // Set baud rate for serial communication
  dht.begin();
}

void loop() {
  float val = dht.readHumidity();
  float chk = dht.readTemperature();

  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
  } else {
    // Send data to ESP8266
    Serial.print(chk);
    Serial.print(",");
    Serial.println(t);
  }

  delay(2000); // Wait a few seconds between measurements
}


### ٍEsp8266


#include <ESP8266WiFi.h>
#include <WiFiClientSecure.h>
#include <ESP8266HTTPClient.h>

const char* ssid = "WIFI_SSID";
const char* password = "WIFI_PASSWORD";


String API_URL = "API_URL";
String API_KEY = "API_KEY";
String TableName = "maintable";
const int httpsPort = 443;



int sendingInterval = 1200;

HTTPClient https;
WiFiClientSecure client;

void setup() {
  Serial.begin(9600);
  delay(10);

  Serial.println();
  Serial.println("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());

  client.setInsecure(); 
}
void loop() {
  if (WiFi.status() == WL_CONNECTED) {
    if (Serial.available() > 0) {
      String data = Serial.readStringUntil('\n');
      float val, chk;

      sscanf(data.c_str(), "%f,%f", &val, &chk);
      https.begin(client, API_URL + "/rest/v1/" + TableName);
      https.addHeader("Content-Type", "application/json");
      https.addHeader("Prefer", "return=representation");
      https.addHeader("apikey", API_KEY);
      https.addHeader("Authorization", "Bearer " + API_KEY);
      
      int httpCode = https.POST("{\"val\":" + String(val) + ",\"chk\":" + String(chk) + "}");
      String payload = https.getString();
      Serial.println(httpCode);
      Serial.println(payload);
      
      https.end();
    }
  } else {
    Serial.println("Error in WiFi connection");
  }
  delay(1000 * sendingInterval);
}