diff --git a/.project.json b/.project.json
index b8d6c4b44e2da079f546e674c027ab74b982e319..97fbb60c7d8a17cb69a94713c8d63643e902e989 100644
--- a/.project.json
+++ b/.project.json
@@ -1 +1 @@
-{"name":"Buggy_Line_Follower_with_P_Controller","mode":"ADVANCED","uuid":"d5afebef-2128-72cb-331e-53289dcee298"}
\ No newline at end of file
+{"uuid":"d5afebef-2128-72cb-331e-53289dcee298","name":"Buggy_Line_Follower_with_P_Controller","mode":"ADVANCED","version":"1.0","controller":"TXT4"}
\ No newline at end of file
diff --git a/Buggy_Line_Follower_with_P_Controller.blockly b/Buggy_Line_Follower_with_P_Controller.blockly
index cebe850ea27756624912e2f2feb6232d98cb391e..046831d1ceec44f6545864654dd2baa6ad3f53f4 100644
--- a/Buggy_Line_Follower_with_P_Controller.blockly
+++ b/Buggy_Line_Follower_with_P_Controller.blockly
@@ -1,4 +1,4 @@
-<xml xmlns="https://developers.google.com/blockly/xml" version="12">
+<xml xmlns="https://developers.google.com/blockly/xml" version="13">
<variables>
<variable id="P(Xg1a%]+(B5J8i#Br*0">speed</variable>
<variable id="|9bZ^?[0p276=t3[1Fh4">index</variable>
diff --git a/Buggy_Line_Follower_with_P_Controller.py b/Buggy_Line_Follower_with_P_Controller.py
index d47232934b4b8d2e6f9b9e3b3f3397f26ed18c97..1b2a9eb1864a62eb85766db9328a6232a0289ac0 100644
--- a/Buggy_Line_Follower_with_P_Controller.py
+++ b/Buggy_Line_Follower_with_P_Controller.py
@@ -1,9 +1,9 @@
-import time
import math
+import time
-from lib.controller import *
from fischertechnik.controller.Motor import Motor
from lib.camera import *
+from lib.controller import *
from numbers import Number
diff --git a/lib/camera.py b/lib/camera.py
index 683272eb6b8d39cba31ee58a119b566171754bd9..c3d252489114416f52f310b0f938e9d7fd5118aa 100644
--- a/lib/camera.py
+++ b/lib/camera.py
@@ -2,12 +2,12 @@
from lib.controller import *
import fischertechnik.factories as txt_factory
-TXT_M_USB_1_camera.set_rotate(False)
-TXT_M_USB_1_camera.set_height(240)
-TXT_M_USB_1_camera.set_width(320)
-TXT_M_USB_1_camera.set_fps(15)
-TXT_M_USB_1_camera.start()
+TXT_M_USB1_1_camera.set_rotate(False)
+TXT_M_USB1_1_camera.set_height(240)
+TXT_M_USB1_1_camera.set_width(320)
+TXT_M_USB1_1_camera.set_fps(15)
+TXT_M_USB1_1_camera.start()
line_detector = txt_factory.camera_factory.create_line_detector(0, 60, 320, 20, 30, 130, -160, 160, 3)
-TXT_M_USB_1_camera.add_detector(line_detector)
+TXT_M_USB1_1_camera.add_detector(line_detector)
diff --git a/lib/camera.xml b/lib/camera.xml
index 2b159fb39bf2986d49cec2ffe33416d5167533c8..10bdb5e75623bd0fd219c8cbf4ab93193bafc197 100644
--- a/lib/camera.xml
+++ b/lib/camera.xml
@@ -1 +1 @@
-<xml type="camera" verion="1" width="320" height="240" fps="15" version="2"><item id="2" class="LineDetector"><name>line_detector</name><min_line_width>30</min_line_width><max_line_width>130</max_line_width><start_range_value>-160</start_range_value><end_range_value>160</end_range_value><number_of_lines>3</number_of_lines><geometry><x>0</x><y>60</y><width>320</width><height>20</height></geometry></item></xml>
\ No newline at end of file
+<xml type="camera" verion="1" width="320" height="240" fps="15" version="2" camera_name="TXT_M_USB1_1_camera"><item id="2" class="LineDetector"><name>line_detector</name><min_line_width>30</min_line_width><max_line_width>130</max_line_width><start_range_value>-160</start_range_value><end_range_value>160</end_range_value><number_of_lines>3</number_of_lines><geometry><x>0</x><y>60</y><width>320</width><height>20</height></geometry></item></xml>
\ No newline at end of file
diff --git a/lib/controller.blockly b/lib/controller.blockly
index 7f54bfe69067d0b4f98d8fa59f6c5ddc85d4abfe..e862e2d9393e4aab71409c70be9a3496929b92d1 100644
--- a/lib/controller.blockly
+++ b/lib/controller.blockly
@@ -1,4 +1,4 @@
-<xml xmlns="https://developers.google.com/blockly/xml" version="12">
+<xml xmlns="https://developers.google.com/blockly/xml" version="13">
<block type="txt4_controller" id="v}Wf^VN(H6-Q3:$II]KJ" x="86" y="69">
<mutation>
<arg type="Input" name="Input-0" value="-"/>
@@ -10,7 +10,7 @@
<arg type="Servomotor" name="Servomotor-0" value="-"/>
<arg type="Counter" name="Counter-0" value="-"/>
<arg type="I2C" name="I2C-0" value="-"/>
- <arg type="USB" name="USB-0" value="USB_1"/>
+ <arg type="USB" name="USB-0" value="USB1_1"/>
<arg type="USB" name="USB-1" value="-"/>
</mutation>
<field name="mode">0</field>
@@ -24,7 +24,7 @@
<field name="Servomotor-0">-</field>
<field name="Counter-0">-</field>
<field name="I2C-0">-</field>
- <field name="USB-0">USB_1</field>
+ <field name="USB-0">USB1_1</field>
<field name="USB-1">-</field>
<value name="Output-0">
<block type="led" id="kh$y;?n1!R6~k@Hvxg{u"/>
diff --git a/lib/controller.py b/lib/controller.py
index 2768703a8836ce385a18c986dd8ea6ce1da02829..7c6b182a3f452a5824f75bb6c08f62c3c39b740f 100644
--- a/lib/controller.py
+++ b/lib/controller.py
@@ -10,6 +10,6 @@ TXT_M = txt_factory.controller_factory.create_graphical_controller()
TXT_M_O5_led = txt_factory.output_factory.create_led(TXT_M, 5)
TXT_M_M1_encodermotor = txt_factory.motor_factory.create_encodermotor(TXT_M, 1)
TXT_M_M2_encodermotor = txt_factory.motor_factory.create_encodermotor(TXT_M, 2)
-TXT_M_USB_1_camera = txt_factory.usb_factory.create_camera(TXT_M, 1)
+TXT_M_USB1_1_camera = txt_factory.usb_factory.create_camera(TXT_M, 1)
txt_factory.initialized()
\ No newline at end of file