diff --git a/src/buzzer.cpp b/src/buzzer.cpp
deleted file mode 100644
index 014f740..0000000
--- a/src/buzzer.cpp
+++ /dev/null
@@ -1,5 +0,0 @@
-const int buzzerPin = 9;
-
-void setup() {
-  pinMode(buzzerPin, OUTPUT_LOW);
-}
\ No newline at end of file
diff --git a/src/display.cpp b/src/realMain.cpp
similarity index 77%
rename from src/display.cpp
rename to src/realMain.cpp
index 3df3c70..f78ea67 100644
--- a/src/display.cpp
+++ b/src/realMain.cpp
@@ -8,7 +8,7 @@ const char *password = "zwr33htm";
 
 const char *mqtt_server = "192.168.24.215";
 
-// set the LCD number of columns and rows
+const int buzzerPin = D0;
 int lcdColumns = 16;
 int lcdRows = 2;
 
@@ -18,13 +18,21 @@ LiquidCrystal_I2C lcd(0x3f, lcdColumns, lcdRows);
 void setup(){  
   lcd.init();
   lcd.backlight();
+  pinMode(buzzerPin, OUTPUT);
 }
 
 void loop(){
+  // LCD
   // set cursor to first column, first row
   lcd.setCursor(0, 0);
   // print message
   lcd.print("Piss off, ghosts!");
   // clears the display to print new message
   lcd.clear();
+
+  // buzzer
+  digitalWrite(buzzerPin, HIGH);
+  delay(1000);
+  digitalWrite(buzzerPin, LOW);
+  delay(1000);
 }
\ No newline at end of file