大家好，我开始学习编码和第二语言英语。 我有一个小项目，我使用Arduino uno，esp8266，dht11，lcd I2C和使用blynk应用程序在我的项目中，我有代码，但我有问题，如何我可以得到信息数据从dht到lcd不打开WiFi。 现在，当我只打开WiFi时，我可以在LCD上获得信息（温度和湿度）。 我如何使温度和湿度显示在液晶显示器上有和没有WiFi。

#define BLYNK_PRINT Serial
#include <ESP8266_Lib.h>
#include <BlynkSimpleShieldEsp8266.h>
#include <DHT.h>
#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,20,4);
char auth[] = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
char ssid[] = "xxxxxxxxxxxx";
char pass[] = "xxxxxxxxxxxxxx";
#include <SoftwareSerial.h>
SoftwareSerial EspSerial(2, 3); // TX, RX
#define ESP8266_BAUD 9600
ESP8266 wifi(&EspSerial);
#define DHTPIN 8         
#define DHTTYPE DHT11    
DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;
void setup()
{
  Serial.begin(115200);
  lcd.init();
  lcd.backlight();
  lcd.clear();
  dht.begin();
  EspSerial.begin(ESP8266_BAUD);
  delay(10);
  Blynk.begin(auth, wifi, ssid, pass);
  dht.begin();
  timer.setInterval(1000L, sendSensor);
}
void loop()
{
  Blynk.run();
  timer.run();
}
void sendSensor()
{
   float h = dht.readHumidity();
  float t = dht.readTemperature();
  lcd.backlight();
    lcd.setCursor(0,0);
  lcd.print("Humidity: ");
    lcd.print(h);
    lcd.print(" %");
      lcd.setCursor(0,2);
    lcd.print("Temperature: ");
        lcd.print(t);
   lcd.print(" C ");
  Serial.print("Humidity: ");
  Serial.print(h);
    Serial.println (" % ");
  Serial.print("Temperature: ");
  Serial.print(t);
      Serial.println (" C ");
  if (isnan(h) || isnan(t)) {
     lcd.backlight();
   lcd.setCursor(0,0);
  lcd.print("Temperature: ");
    lcd.print(t);
  lcd.print(" C ");
   lcd.setCursor(0,2);
    lcd.print("Humidity:  ");
      lcd.print(h);
      lcd.print(" % ");
   Serial.print("Humidity: ");
  Serial.print(h);
    Serial.println (" % ");
  Serial.print("Temperature: ");
  Serial.print(t);
      Serial.println (" C ");
  }
  Blynk.virtualWrite(V6, h);
  Blynk.virtualWrite(V2, t);
   Serial.print("Humidity: ");
  Serial.print(h);
    Serial.println (" % ");
  Serial.print("Temperature: ");
  Serial.print(t);
      Serial.println (" C ");
}