diff --git a/examples/apds9960_color_simpletest.py b/examples/apds9960_color_simpletest.py
index cdb4f20..bc48340 100644
--- a/examples/apds9960_color_simpletest.py
+++ b/examples/apds9960_color_simpletest.py
@@ -6,7 +6,8 @@
 from adafruit_apds9960.apds9960 import APDS9960
 from adafruit_apds9960 import colorutility
 
-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
 apds = APDS9960(i2c)
 apds.enable_color = True
 
diff --git a/examples/apds9960_gesture_simpletest.py b/examples/apds9960_gesture_simpletest.py
index 912d725..04c4f9d 100644
--- a/examples/apds9960_gesture_simpletest.py
+++ b/examples/apds9960_gesture_simpletest.py
@@ -4,7 +4,8 @@
 import board
 from adafruit_apds9960.apds9960 import APDS9960
 
-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
 
 apds = APDS9960(i2c)
 apds.enable_proximity = True
diff --git a/examples/apds9960_proximity_simpletest.py b/examples/apds9960_proximity_simpletest.py
index dac893f..6e11451 100644
--- a/examples/apds9960_proximity_simpletest.py
+++ b/examples/apds9960_proximity_simpletest.py
@@ -5,7 +5,8 @@
 import digitalio
 from adafruit_apds9960.apds9960 import APDS9960
 
-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
 int_pin = digitalio.DigitalInOut(board.D5)
 int_pin.switch_to_input(pull=digitalio.Pull.UP)
 apds = APDS9960(i2c)
diff --git a/examples/apds9960_simpletest.py b/examples/apds9960_simpletest.py
index cbec714..ef5e8a8 100644
--- a/examples/apds9960_simpletest.py
+++ b/examples/apds9960_simpletest.py
@@ -5,7 +5,8 @@
 import board
 from adafruit_apds9960.apds9960 import APDS9960
 
-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
 apds = APDS9960(i2c)
 
 apds.enable_proximity = True