diff --git a/examples/charlcd_i2c_mono_simpletest.py b/examples/charlcd_i2c_mono_simpletest.py
index b175b96..299ce35 100644
--- a/examples/charlcd_i2c_mono_simpletest.py
+++ b/examples/charlcd_i2c_mono_simpletest.py
@@ -12,6 +12,7 @@
 
 # Initialise I2C bus.
 i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 
 # Initialise the lcd class
 lcd = character_lcd.Character_LCD_I2C(i2c, lcd_columns, lcd_rows)
diff --git a/examples/charlcd_i2c_rgb_simpletest.py b/examples/charlcd_i2c_rgb_simpletest.py
index 960936d..374dbf6 100644
--- a/examples/charlcd_i2c_rgb_simpletest.py
+++ b/examples/charlcd_i2c_rgb_simpletest.py
@@ -12,6 +12,7 @@
 
 # Initialise I2C bus.
 i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 
 # Initialise the LCD class
 lcd = character_lcd.Character_LCD_RGB_I2C(i2c, lcd_columns, lcd_rows)
diff --git a/examples/charlcd_keypad_simpletest.py b/examples/charlcd_keypad_simpletest.py
index ad2e780..c1a7524 100644
--- a/examples/charlcd_keypad_simpletest.py
+++ b/examples/charlcd_keypad_simpletest.py
@@ -12,6 +12,7 @@
 
 # Initialise I2C bus.
 i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 
 # Initialise the LCD class
 lcd = character_lcd.Character_LCD_RGB_I2C(i2c, lcd_columns, lcd_rows)