diff --git a/main.py b/main.py
index b530ec1..236cc4e 100644
--- a/main.py
+++ b/main.py
@@ -33,6 +33,27 @@ for b in machine.unique_id():
 device_id_str = device_id_str[-4:]  # Keep last 8 char
 device_id = int(device_id_str, 16)  # Convert to int from hex in string
 
+### Piezo ###
+piezo_pin = machine.Pin(15, machine.Pin.OUT, value=1)
+piezo_pin2 = machine.Pin(14, machine.Pin.OUT, value=1)
+
+
+async def piezo_beep(sec=0.3):
+    piezo_pin.value(0)
+    piezo_pin2.value(0)
+    await asyncio.sleep(sec)
+    piezo_pin.value(1)
+    piezo_pin2.value(1)
+
+
+async def piezo_short_beep():
+    piezo_pin.value(0)
+    piezo_pin2.value(0)
+    await asyncio.sleep(0.1)
+    piezo_pin.value(1)
+    piezo_pin2.value(1)
+
+
 #### Voltage monitor ###
 from machine import ADC
 from primitives import AADC
@@ -99,23 +120,24 @@ async def ble_rx_handler():
     try:
         if "bomb" in message:
             logger.info("BLE: Bomb Explode send to IR")
-            for i in range(3):
+            for i in range(5):
                 asyncio.create_task(
                     olt_sent_ir(ir_tx, COMMANDS[1][1], COMMANDS[1][2], COMMANDS[1][3])
                 )
                 await asyncio.sleep_ms(100)
-
+            asyncio.create_task(piezo_beep())
             uart.write("BLE: Bomb Explode send to IR\n")
             asyncio.create_task(rgb1.set_red())
             await asyncio.sleep_ms(100)
             while True:
-                time.sleep_ms(2000)
+                time.sleep_ms(3000)
                 logger.info(
                     "BLE: Bomb Exploded, Device is LOCKED, please restart Device"
                 )
                 uart.write(
                     "BLE: Bomb Exploded, Device is LOCKED\n Please restart Device\n"
                 )
+                await piezo_short_beep()
 
         elif "led_on" in message:
             logger.info("BLE: LED ON")
@@ -256,6 +278,7 @@ async def olt_command(cmd, btn, rgb, ir_tx, tx1, tx2, tx3):
         btn.release.clear()
         await btn.press.wait()
         logger.debug(f"Command {cmd} button pressed")
+        asyncio.create_task(piezo_short_beep())
         await rgb.set_green()
         # IR TX send
         asyncio.create_task(olt_sent_ir(ir_tx, tx1, tx2, tx3))
@@ -351,6 +374,7 @@ async def main(proto):
         )
         asyncio.create_task(olt_command(command, btn, rgb1, ir_tx, tx1, tx2, tx3))
 
+    asyncio.create_task(piezo_short_beep())  # piezo_beep()
     ### Main loop ###
     while True:
         await asyncio.sleep(1)