lower default volume limit, update examples, change warning message

adafruit_fruitjam/peripherals.py

@@ -143,7 +143,7 @@ class Peripherals:
             See https://circuitpython.readthedocs.io/projects/neopixel/en/latest/api.html
     """
 
-    def __init__(self, audio_output="headphone", safe_volume_limit=15):
+    def __init__(self, audio_output="headphone", safe_volume_limit=12):
         self.neopixels = NeoPixel(board.NEOPIXEL, 5)
 
         self._buttons = []
@@ -281,7 +281,7 @@ class Peripherals:
                 f"Volume level must be less than or equal to "
                 + f"safe_volume_limit: {self.safe_volume_limit}. "
                 + f"Using higher values could damage speakers. "
-                + f"To override this limitation pass a value larger than 15 "
+                + f"To override this limitation pass a value larger {self.safe_volume_limit} "
                 + f"for the safe_volume_limit argument of the constructor."
             )
 

examples/fruitjam_headphone.py

@@ -8,7 +8,7 @@ import adafruit_fruitjam
 pobj = adafruit_fruitjam.peripherals.Peripherals(audio_output="headphone")
 
 FILES = ["beep.wav", "dip.wav", "rise.wav"]
-VOLUMES = [5, 7, 10, 12, 15]
+VOLUMES = [5, 7, 10, 11, 12]
 
 while True:
     print("\n=== Headphones Test ===")

examples/fruitjam_speaker.py

@@ -8,7 +8,7 @@ import adafruit_fruitjam
 pobj = adafruit_fruitjam.peripherals.Peripherals(audio_output="speaker")
 
 FILES = ["beep.wav", "dip.wav", "rise.wav"]
-VOLUMES = [5, 7, 10, 12, 15]
+VOLUMES = [5, 7, 10, 11, 12]
 
 while True:
     print("\n=== Speaker Test ===")

examples/fruitjam_synthio_speaker.py

@@ -11,7 +11,7 @@ pobj = adafruit_fruitjam.peripherals.Peripherals(audio_output="headphone")
 
 synth = synthio.Synthesizer(sample_rate=44100)
 pobj.audio.play(synth)
-VOLUMES = [5, 7, 10, 12, 15]
+VOLUMES = [5, 7, 10, 11, 12]
 C_major_scale = [60, 62, 64, 65, 67, 69, 71, 72, 71, 69, 67, 65, 64, 62, 60]
 while True:
     print("\n=== Synthio Test ===")