Tweak order. Add comments.

Author: kattni

Introducing_CircuitPlaygroundExpress/CircuitPlaygroundExpress_SoundMeter.py

@@ -21,23 +21,27 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
+# Circuit Playground Sound Meter
+
 import array
 import math
 import audiobusio
 import board
 import neopixel
 
+# Color of the peak pixel.
 PEAK_COLOR = (100, 0, 255)
+# Number of total pixels - 10 build into Circuit Playground
 NUM_PIXELS = 10
 
-# Number of samples to read at once.
-NUM_SAMPLES = 160
-
 # Exponential scaling factor.
 # Should probably be in range -10 .. 10 to be reasonable.
 CURVE = 2
 SCALE_EXPONENT = math.pow(10, CURVE * -0.1)
 
+# Number of samples to read at once.
+NUM_SAMPLES = 160
+
 
 # Restrict value to be between floor and ceiling.
 def constrain(value, floor, ceiling):