The small automatic humidifier

#define DHTTYPE DHT11
#define DHTPIN 2 
#include <rgb_lcd.h>
#include "Arduino.h"
#include <DHT.h>
rgb_lcd lcd;  
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  // put your setup code here, to run once:
  pinMode(6,OUTPUT); //water atomization
  pinMode(7,OUTPUT); //water atomization
  lcd.begin(16, 2);
  lcd.setRGB(88, 160, 255);
}

void loop() {
  // put your main code here, to run repeatedly:
  //---------------water atomization-------------------
  //------------------LCD hum&temp-------------------------
   float temp_hum_val[2] = {0};
    if (!dht.readTempAndHumidity(temp_hum_val)) {
        lcd.clear();
        lcd.print("Humidity: ");
        lcd.print(temp_hum_val[0]);
        lcd.print(" %\t");
        lcd.setCursor(0,1);
        lcd.print("Temperature: ");
        lcd.print(temp_hum_val[1]);
        lcd.println(" *C");
        if (temp_hum_val[0] < 50)
          {
            digitalWrite(6,HIGH);
            digitalWrite(7,HIGH);
          } 
        else
          {
            digitalWrite(6,LOW);
            digitalWrite(7,LOW);
          }

          
    } else {
        lcd.println("error");
    }     

}