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-rw-r--r--source/lang/api/delay.rst13
-rw-r--r--source/lang/api/digitalwrite.rst7
2 files changed, 10 insertions, 10 deletions
diff --git a/source/lang/api/delay.rst b/source/lang/api/delay.rst
index 9ef06a0..30bd436 100644
--- a/source/lang/api/delay.rst
+++ b/source/lang/api/delay.rst
@@ -42,17 +42,16 @@ Example
::
- int ledPin = 13; // LED connected to pin 13
-
void setup() {
- pinMode(ledPin, OUTPUT); // sets the digital pin as output
+ // set up the built-in LED pin for output:
+ pinMode(BOARD_LED_PIN, OUTPUT);
}
void loop() {
- digitalWrite(ledPin, HIGH); // sets the LED on
- delay(1000); // waits for a second
- digitalWrite(ledPin, LOW); // sets the LED off
- delay(1000); // waits for a second
+ digitalWrite(BOARD_LED_PIN, HIGH); // sets the LED on
+ delay(1000); // waits for a second
+ digitalWrite(BOARD_LED_PIN, LOW); // sets the LED off
+ delay(1000); // waits for a second
}
.. _lang-delay-seealso:
diff --git a/source/lang/api/digitalwrite.rst b/source/lang/api/digitalwrite.rst
index 376cbc3..bae8db9 100644
--- a/source/lang/api/digitalwrite.rst
+++ b/source/lang/api/digitalwrite.rst
@@ -28,9 +28,10 @@ more slowly as an output than the other pins.
Example
-------
-The following example sets pin 13 to ``HIGH``, makes a one-second-long
-delay, sets the pin back to ``LOW``, and delays again, causing a
-blinking pattern (you could also use :ref:`lang-toggleled`)::
+The following example sets the built-in LED pin to ``HIGH``, makes a
+one-second-long delay, sets the pin back to ``LOW``, and delays again,
+causing a blinking pattern (you could also use
+:ref:`lang-toggleled`)::
void setup() {
pinMode(BOARD_LED_PIN, OUTPUT); // sets the digital pin as output