diff --git a/src/main/java/de/vimo/AudioMessage.java b/src/main/java/de/vimo/AudioMessage.java
new file mode 100644
index 0000000..1026f6a
--- /dev/null
+++ b/src/main/java/de/vimo/AudioMessage.java
@@ -0,0 +1,6 @@
+package de.vimo;
+
+public class AudioMessage {
+
+
+}
diff --git a/src/main/java/de/vimo/ColorLED.java b/src/main/java/de/vimo/ColorLED.java
new file mode 100644
index 0000000..c652df4
--- /dev/null
+++ b/src/main/java/de/vimo/ColorLED.java
@@ -0,0 +1,4 @@
+package de.vimo;
+
+public class ColorLED {
+}
diff --git a/src/main/java/de/vimo/FieldOfStove.java b/src/main/java/de/vimo/FieldOfStove.java
new file mode 100644
index 0000000..8d975d5
--- /dev/null
+++ b/src/main/java/de/vimo/FieldOfStove.java
@@ -0,0 +1,4 @@
+package de.vimo;
+
+public class FieldOfStove {
+}
diff --git a/src/main/java/de/vimo/IControlButton.java b/src/main/java/de/vimo/IControlButton.java
new file mode 100644
index 0000000..2a00dc1
--- /dev/null
+++ b/src/main/java/de/vimo/IControlButton.java
@@ -0,0 +1,7 @@
+package de.vimo;
+
+public interface IControlButton {
+
+    // welche methoden hat ein knopf
+    // stelle dir vor du bist der produzent, egal ob temperatur, oder hitzetyp drauf steht was haben sie gemeinsam
+}
diff --git a/src/main/java/de/vimo/IControlButtonOfStove.java b/src/main/java/de/vimo/IControlButtonOfStove.java
new file mode 100644
index 0000000..846b12c
--- /dev/null
+++ b/src/main/java/de/vimo/IControlButtonOfStove.java
@@ -0,0 +1,4 @@
+package de.vimo;
+
+public interface IControlButtonOfStove {
+}
diff --git a/src/main/java/de/vimo/IControlButtonSpeaker.java b/src/main/java/de/vimo/IControlButtonSpeaker.java
new file mode 100644
index 0000000..e4924b5
--- /dev/null
+++ b/src/main/java/de/vimo/IControlButtonSpeaker.java
@@ -0,0 +1,4 @@
+package de.vimo;
+
+public interface IControlButtonSpeaker {
+}
diff --git a/src/main/java/de/vimo/IOven.java b/src/main/java/de/vimo/IOven.java
new file mode 100644
index 0000000..a835185
--- /dev/null
+++ b/src/main/java/de/vimo/IOven.java
@@ -0,0 +1,15 @@
+package de.vimo;
+
+public interface IOven {
+
+    int getSerialNumber();
+
+    boolean isDoorOpen();
+
+    void openDoor();
+
+    void closeDoor();
+
+    IControlButton[] getControlButtons();
+
+}
diff --git a/src/main/java/de/vimo/ISpeaker.java b/src/main/java/de/vimo/ISpeaker.java
new file mode 100644
index 0000000..c3316bf
--- /dev/null
+++ b/src/main/java/de/vimo/ISpeaker.java
@@ -0,0 +1,22 @@
+package de.vimo;
+
+public interface ISpeaker {
+
+    AudioMessage connectToDeviceBluetooth();
+
+    void turnOn();
+
+    void turnOff();
+
+    int increaseVolume();
+
+    int decreaseVolume();
+
+    ColorLED showBatteryStatus();
+
+    int getSerialNumber();
+
+    boolean isDeviceConnected();
+
+    IControlButtonSpeaker[] getControlButtonsSpeaker();
+}
diff --git a/src/main/java/de/vimo/IStove.java b/src/main/java/de/vimo/IStove.java
new file mode 100644
index 0000000..b120945
--- /dev/null
+++ b/src/main/java/de/vimo/IStove.java
@@ -0,0 +1,18 @@
+package de.vimo;
+
+import java.util.Timer;
+
+public interface IStove {
+
+    int getSerialNumber();
+
+    boolean isControlButtonStoveActivated(FieldOfStove field);
+
+    Timer setTimerOfField(FieldOfStove field);
+
+    void turnOnField(FieldOfStove field);
+
+    void turnOffField(FieldOfStove field);
+
+    IControlButtonOfStove[] getControlButtonStove(FieldOfStove field);
+}