   }
 
   lcd.print(" ACCESS  DENIED ");
+  digitalWrite(LCD_BL_R, LOW);
+  digitalWrite(LCD_BL_G, HIGH);
+  digitalWrite(LCD_BL_B, HIGH);
   delay(3000);
+
   resetLCD();
 }
 

#define LCD_DB6 D3
#define LCD_DB7 D4

#define LED_PIN D7
#define MAX_CARDS 1000


    card = cards[i];
    if (card.rfid == code) {
      lcd.print(card.greeting);

      digitalWrite(LCD_BL_R, HIGH);
      digitalWrite(LCD_BL_G, LOW);
      digitalWrite(LCD_BL_B, HIGH);

      delay(3000);
      resetLCD();
      return;
