diff --git a/src/nqrduck_autotm/controller.py b/src/nqrduck_autotm/controller.py
index a1a0ba3..04ddd48 100644
--- a/src/nqrduck_autotm/controller.py
+++ b/src/nqrduck_autotm/controller.py
@@ -49,9 +49,9 @@ class AutoTMController(ModuleController):
             stop_frequency (str): The stop frequency in MHz.
 
         """
-        FREQUENCY_STEP = 50000  # Hz
+        N_POINTS = 400
         MIN_FREQUENCY = 35e6  # Hz
-        MAX_FREQUENCY = 300e6  # Hz
+        MAX_FREQUENCY = 200e6  # Hz
 
         try:
             start_frequence = start_frequency.replace(",", ".")
@@ -85,17 +85,18 @@ class AutoTMController(ModuleController):
             self.module.view.add_info_text(error)
             return
 
+        frequency_step = (stop_frequency - start_frequency) / N_POINTS
         logger.debug(
             "Starting frequency sweep from %s to %s with step size %s",
             start_frequency,
             stop_frequency,
-            FREQUENCY_STEP,
+            frequency_step,
         )
         # We create the frequency sweep spinner dialog
         self.module.model.clear_data_points()
         self.module.view.create_frequency_sweep_spinner_dialog()
         # Print the command 'f<start>f<stop>f<step>' to the serial connection
-        command = "f%sf%sf%s" % (start_frequency, stop_frequency, FREQUENCY_STEP)
+        command = "f%sf%sf%s" % (start_frequency, stop_frequency, frequency_step)
         self.send_command(command)
 
     def on_ready_read(self) -> None:
@@ -434,5 +435,12 @@ class AutoTMController(ModuleController):
         except AttributeError:
             logger.error("Could not send command. No device connected.")
             self.module.view.add_error_text("Could not send command. No device connected.")
+            
+    def homing(self) -> None:
+        """ This method is used to send the command 'h' to the atm system. 
+        This command is used to home the stepper motors of the atm system.
+        """
+        logger.debug("Homing")
+        self.send_command("h")
         
     
diff --git a/src/nqrduck_autotm/view.py b/src/nqrduck_autotm/view.py
index f0b51f7..2160193 100644
--- a/src/nqrduck_autotm/view.py
+++ b/src/nqrduck_autotm/view.py
@@ -34,6 +34,9 @@ class AutoTMView(ModuleView):
         self._ui_form = Ui_Form()
         self._ui_form.setupUi(self)
         self.widget = widget
+        
+        self.frequency_sweep_spinner = self.FrequencySweepSpinner()
+        self.frequency_sweep_spinner.hide()
 
         # Disable the connectButton while no devices are selected
         self._ui_form.connectButton.setDisabled(True)
@@ -85,6 +88,9 @@ class AutoTMView(ModuleView):
         
         # On clicking of the switchATMButton call the switch_atm method
         self._ui_form.switchATMButton.clicked.connect(self.module.controller.switch_to_atm)
+        
+        # On clicking of the homingButton call the homing method
+        self._ui_form.homingButton.clicked.connect(self.module.controller.homing)
 
         # Connect the measurement finished signal to the plot_measurement slot
         self.module.model.measurement_finished.connect(self.plot_measurement)