diff options
Diffstat (limited to 'source/lang/api')
-rw-r--r-- | source/lang/api/delay.rst | 13 | ||||
-rw-r--r-- | source/lang/api/digitalwrite.rst | 7 |
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 |