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29 lines
833 B
Plaintext
29 lines
833 B
Plaintext
/* Blinking LED
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* ------------
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*
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* turns on and off a light emitting diode(LED) connected to a digital
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* pin, in intervals of 2 seconds. Ideally we use pin 13 on the Arduino
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* board because it has a resistor attached to it, needing only an LED
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*
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* Created 1 June 2005
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* copyleft 2005 DojoDave <http://www.0j0.org>
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* http://arduino.berlios.de
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*
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* based on an orginal by H. Barragan for the Wiring i/o board
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*/
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int ledPin = 13; // LED connected to digital pin 13
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void setup()
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{
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pinMode(ledPin, OUTPUT); // sets the digital pin as output
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}
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void loop()
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{
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digitalWrite(ledPin, HIGH); // sets the LED on
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delay(1000); // waits for a second
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digitalWrite(ledPin, LOW); // sets the LED off
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delay(1000); // waits for a second
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}
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