diff --git a/306-controller_interface.X/app/car.h b/306-controller_interface.X/app/car.h
new file mode 100644
index 0000000..b3666b3
--- /dev/null
+++ b/306-controller_interface.X/app/car.h
@@ -0,0 +1,42 @@
+/**
+ * @author Rémi Heredero
+ * @version. 0.0.0
+ * @date August 2023
+ * @file car.h
+ */
+
+#ifndef CAR_H
+#define	CAR_H
+
+/*************
+ * MODULE ID *
+ *************/
+#define ID_CONTROL      1   // Control the three-wheeler
+#define ID_JOYSTICK     2   // Inform control avout current joystick state
+#define ID_DISPLAY      3   // User interface to display informations
+#define ID_DRIVE        4   // Drive power motor of the three-wheeler
+#define ID_STEERING     5   // Drive the direction motor og the three-wheeler
+#define ID_SUPPLY       6   // Information about batteries, current, ...
+#define ID_BROADCAST    0   // Message to and from any module
+#define ID_DEBUG        0   // Message to and from any module
+
+typedef struct {
+    uint8_t     CONTROL_STEERING_MODE;
+    uint8_t     CONTROL_ALIVE_TIME;
+    uint32_t    CONTROL_SPEED_FACTOR;
+    uint32_t    CONTROL_POWER_FACTOR;
+    uint32_t    CONTROL_STEERING_FACTOR;
+    uint8_t     CONTROL_MAX_SPEED_FW;
+    uint8_t     CONTROL_MAX_SPEED_BW;
+    uint8_t     JOYSTICK_ALIVE_TIME;
+    uint8_t     DISPLAY_ALIVE_TIME;
+    uint8_t     DRIVE_SPEED_TIME;
+    uint8_t     DRIVE_STOP_TIME;
+    uint8_t     DRIVE_ALIVE_TIME;
+    uint8_t     STEERING_ALIVE_TIME;
+    uint8_t     BATTERY_ALIVE_TIME;
+} CAR_CST;
+
+
+#endif	/* CAR_H */
+
diff --git a/306-controller_interface.X/nbproject/configurations.xml b/306-controller_interface.X/nbproject/configurations.xml
index 9db35d3..22bcb54 100644
--- a/306-controller_interface.X/nbproject/configurations.xml
+++ b/306-controller_interface.X/nbproject/configurations.xml
@@ -6,6 +6,7 @@
                    projectFiles="true">
       <logicalFolder name="app" displayName="app" projectFiles="true">
         <itemPath>app/factory/factory.h</itemPath>
+        <itemPath>app/car.h</itemPath>
       </logicalFolder>
       <logicalFolder name="board" displayName="board" projectFiles="true">
         <itemPath>board/led/led.h</itemPath>