diff --git a/src/test/serial_test.py b/src/test/serial_test.py
index 09cd3c9..f632f45 100644
--- a/src/test/serial_test.py
+++ b/src/test/serial_test.py
@@ -1,3 +1,5 @@
+import platform
+
 import serial
 import time
 
@@ -13,8 +15,17 @@ def invia_e_leggi_frase(porta_seriale):
 
     except Exception as e:
         print(f"Errore: {e}")
+
+
+is_win = platform.system().lower() == "windows"
+
+if is_win:
+    dev="COM5"
+else:
+    dev = '/dev/ttyUSB0'
+
 try:
-    ser = serial.Serial('COM5', 9600, timeout=1, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, bytesize=serial.EIGHTBITS)
+    ser = serial.Serial(dev, 9600, timeout=1, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, bytesize=serial.EIGHTBITS)
     if ser.is_open:
         print(f'Connesso alla porta COM5')