Fix example

Author: rjtokenring

src/arduino/app_bricks/sound_generator/__init__.py

@@ -450,7 +450,6 @@ def __init__(
         if output_device is None:
             self.external_speaker = False
             self._output_device = Speaker(sample_rate=self.SAMPLE_RATE, format="FLOAT_LE")
-            self.start()
         else:
             self.external_speaker = True
             self._output_device = output_device

src/arduino/app_bricks/sound_generator/examples/1_play_sequence.py

@@ -45,7 +45,9 @@
     ("B4", 1 / 8),
     ("A4", 1),
 ]
-for note, duration in fur_elise:
-    player.play(note, duration)
 
-App.run()
+def user_lp():
+    for note, duration in fur_elise:
+        player.play(note, duration)
+
+App.run(user_loop=user_lp)