#include <Wire.h> #include <LiquidCrystal_I2C.h> #include <WiFi.h> #include "time.h" #include "DHT.h"#define DHTPIN 4 // ขาเชื่อมต่อ DHT11 #define DHTTYPE DHT11 // ใช้เซ็นเซอร์ DHT11LiquidCrystal_I2C lcd(0x27, 16, 2); // ตั้งค่า LCD I2C DHT dht(DHTPIN, DHTTYPE);const char* ssid = "ชื่อ Wi-Fi"; const char* password = "รหัสผ่าน Wi-Fi"; const char* ntpServer = "pool.ntp.org"; long gmtOffset_sec = 7 * 3600; // ตั้ง Time Zone (ประเทศไทย)void setup() { Serial.begin(115200); lcd.init(); lcd.backlight(); dht.begin();WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { delay(1000); Serial.println("Connecting to WiFi..."); } Serial.println("Connected to WiFi");configTime(gmtOffset_sec, 0, ntpServer); }void loop() { struct tm timeinfo; if (!getLocalTime(&timeinfo)) { Serial.println("Failed to obtain time"); return; }float temp = dht.readTemperature(); float hum = dht.readHumidity();lcd.setCursor(0, 0); lcd.printf("%02d:%02d:%02d", timeinfo.tm_hour,          timeinfo.tm_min, timeinfo.tm_sec);lcd.setCursor(0, 1); lcd.print("T:"); lcd.print(temp); lcd.print("C H:"); lcd.print(hum); lcd.print("%");delay(1000); }