Merge pull request #51 from adafruit/stemma_i2c

Added commented out board.STEMMA_I2C with explanation

Author: evaherrada

examples/is31fl3731_keybow_2040_rainbow.py

@@ -61,7 +61,8 @@ def hsv_to_rgb(hue, sat, val):
         return (val, p, q)
 
 
-i2c = board.I2C()
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 
 # Set up 4x4 RGB matrix of Keybow 2040
 display = Display(i2c)

examples/is31fl3731_pillow_animated_gif.py

@@ -27,7 +27,8 @@
 # uncomment next line if you are using Pimoroni Scroll Phat HD LED 17 x 7
 # from adafruit_is31fl3731.scroll_phat_hd import ScrollPhatHD as Display
 
-i2c = board.I2C()
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 
 display = Display(i2c)
 

examples/is31fl3731_pillow_marquee.py

@@ -25,7 +25,8 @@
 SCROLLING_TEXT = "You can display a personal message here..."
 BRIGHTNESS = 64  # Brightness can be between 0-255
 
-i2c = board.I2C()
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 
 display = Display(i2c)
 

examples/is31fl3731_pillow_numbers.py

@@ -25,7 +25,8 @@
 
 BRIGHTNESS = 32  # Brightness can be between 0-255
 
-i2c = board.I2C()
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 
 display = Display(i2c)