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diff --git a/PYTHON/COM-порт.md b/PYTHON/COM-порт.md
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+```python
+import serial
+
+from serial.tools import list_ports
+ports = list(list_ports.comports())
+i = 1
+for p in ports:
+    print(i, ' - ', p.device)
+    i += 1
+
+port = 8    # int(input('Введите номер COM-порта: '))
+baudrate = 115200   # int(input('Введите скорость COM-порта: '))
+
+while port > len(ports):
+    print("Такого порта - НЕТ !")
+    port = int(input('Введите номер COM-порта: '))
+
+print(ports[port - 1].device)
+
+try:
+    ser = serial.Serial(ports[port - 1].device, baudrate=baudrate)
+    print("Serial connection established.")
+
+    while True:
+        line = ser.readline().decode().strip()
+
+        if line:
+            print(line)
+
+except serial.SerialException as se:
+    print("Serial port error:", str(se))
+
+except KeyboardInterrupt:
+    pass
+
+finally:
+    if ser.is_open:
+        ser.close()
+        print("Serial connection closed.")
+```
+