diff --git a/portail_coulissant/porcou_doc.py b/portail_coulissant/porcou_doc.py
index 12780c4..5e15091 100644
--- a/portail_coulissant/porcou_doc.py
+++ b/portail_coulissant/porcou_doc.py
@@ -35,8 +35,8 @@ card_description.update({"serial-card" : [card_serial_title, card_serial_text, c
 
 # Ouvrir et fermer
 card_movement_title="Ouvrir et fermer"
-card_movement_text=""" mot_o (True|False) \n -> Ouvre le portail (moteur sens trigo) \n
- mot_f (True|False) \n -> Ferme le portail (moteur sens horaire) \n
+card_movement_text=""" mot_o (True | False) \n -> Ouvre le portail (moteur sens trigo) \n
+ mot_f (True | False) \n -> Ferme le portail (moteur sens horaire) \n
  fdc_o() \n -> Capteur fin de course portail ouvert\n Retourne True si le portail est ouvert. \n
  fdc_f() \n -> Capteur fin de course portail fermé\n Retourne True si le portail est fermé."""
 card_movement_url=[]
@@ -44,14 +44,14 @@ card_description.update({"movement-card" : [card_movement_title, card_movement_t
 
 # Capteurs
 card_sensor_title="Capteur Infrarouge"
-card_sensor_text=""" ir_emet(True|False) \n -> Active l\"émetteur infrarouge (IR) \n 
+card_sensor_text=""" ir_emet(True | False) \n -> Active l\"émetteur infrarouge (IR) \n 
  ir_recep() \n -> Récepteur barrage infrarouge (IR)\n Retourne True s\"il n\"y a pas d\"obstacle."""
 card_sensor_url=[]
 card_description.update({"sensor-card" : [card_sensor_title, card_sensor_text, card_sensor_url]})
 
 # Gyrophare
 card_gyro_title="Gyrophare"
-card_gyro_text=""" gyr (True|False) \n -> Active le gyrophare"""
+card_gyro_text=""" gyr (True | False) \n -> Active le gyrophare"""
 card_gyro_url=[]
 card_description.update({"gyro-card" : [card_gyro_title, card_gyro_text, card_gyro_url]})
 
diff --git a/portail_coulissant/porcou_lib.py b/portail_coulissant/porcou_lib.py
index 9c4a541..d46f2fb 100644
--- a/portail_coulissant/porcou_lib.py
+++ b/portail_coulissant/porcou_lib.py
@@ -10,7 +10,7 @@ from serial.tools.list_ports import comports # Détection du port automatique
 
 ###############################################################################
 # porcou_lib.py
-# @title: Bibliothèque utilisateur du portail coulissant (pc_*)
+# @title: Bibliothèque utilisateur du portail coulissant
 # @project: Blender-EduTech
 # @lang: fr
 # @authors: Philippe Roy <philippe.roy@ac-grenoble.fr>
@@ -226,7 +226,7 @@ def serial_autoget_port():
     for com in comports(): # Arduino Mega
         if com.vid == board_dict["mega"][0] and com.pid == board_dict["mega"][1]:
             return [com.device,"Arduino Mega"]
-    return None
+    return [None,""]
 
 ##
 # Création de l'objet carte (protocole Firmata)
@@ -283,10 +283,14 @@ def  jumeau(pins):
     # Mise en place de la carte
     speed = 57600
     [device,board_name] =serial_autoget_port() # Recherche automatique du port
+    if device is None:
+        scene.objects['System']['twins'] = False
+        scene.objects['Twins-text']['Text'] = "Aucune connection disponible : jumeau réel débranché."
+        return False
     board = board_init(device)
     if board is None:
         scene.objects['System']['twins'] = False
-        scene.objects['Twins-text']['Text'] = "Port "+device+" pas prêt"
+        scene.objects['Twins-text']['Text'] = "Aucune connection disponible : port "+device+" pas prêt"
         return False
     scene.objects['System']['twins'] = True
     # scene.objects['System']['twins_close'] = False
diff --git a/portail_coulissant/portail_coulissant-14.blend b/portail_coulissant/portail_coulissant-14.blend
index 3665980..60d1155 100644
Binary files a/portail_coulissant/portail_coulissant-14.blend and b/portail_coulissant/portail_coulissant-14.blend differ
diff --git a/portail_coulissant/twin.py b/portail_coulissant/twin.py
index 5b5e1d9..f8f5c2f 120000
--- a/portail_coulissant/twin.py
+++ b/portail_coulissant/twin.py
@@ -1 +1 @@
-/home/phroy/Documents/blender-edutech/git/digital_twin/twin.py
\ No newline at end of file
+/home/phroy/Bureau/seriousgames/blender-edutech/git/digital_twin/twin.py
\ No newline at end of file
diff --git a/portail_coulissant/twin_about.py b/portail_coulissant/twin_about.py
index b9dbd40..5a76f30 120000
--- a/portail_coulissant/twin_about.py
+++ b/portail_coulissant/twin_about.py
@@ -1 +1 @@
-/home/phroy/Documents/blender-edutech/git/digital_twin/twin_about.py
\ No newline at end of file
+/home/phroy/Bureau/seriousgames/blender-edutech/git/digital_twin/twin_about.py
\ No newline at end of file
diff --git a/portail_coulissant/twin_config.xml b/portail_coulissant/twin_config.xml
index 7c35fba..e44857d 120000
--- a/portail_coulissant/twin_config.xml
+++ b/portail_coulissant/twin_config.xml
@@ -1 +1 @@
-/home/phroy/Documents/blender-edutech/git/digital_twin/twin_config.xml
\ No newline at end of file
+/home/phroy/Bureau/seriousgames/blender-edutech/git/digital_twin/twin_config.xml
\ No newline at end of file
diff --git a/portail_coulissant/twin_doc.py b/portail_coulissant/twin_doc.py
index 4f0b2e1..64dc410 120000
--- a/portail_coulissant/twin_doc.py
+++ b/portail_coulissant/twin_doc.py
@@ -1 +1 @@
-/home/phroy/Documents/blender-edutech/git/digital_twin/twin_doc.py
\ No newline at end of file
+/home/phroy/Bureau/seriousgames/blender-edutech/git/digital_twin/twin_doc.py
\ No newline at end of file
diff --git a/twin_config.xml b/twin_config.xml
index 2f742d8..24790e2 100644
--- a/twin_config.xml
+++ b/twin_config.xml
@@ -1,6 +1,6 @@
 <data>
     <screen>
-	<width>1339</width>
-	<height>753</height>
+	<width>775</width>
+	<height>435</height>
   </screen>
 </data>
\ No newline at end of file