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41 lines
1013 B
Plaintext
41 lines
1013 B
Plaintext
15 years ago
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/*
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Blink
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Turns on an LED on for one second, then off for one second, repeatedly.
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The circuit:
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* LED connected from digital pin 13 to ground.
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* Note: On most Arduino boards, there is already an LED on the board
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connected to pin 13, so you don't need any extra components for this example.
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Created 1 June 2005
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By David Cuartielles
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http://arduino.cc/en/Tutorial/Blink
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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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// The setup() method runs once, when the sketch starts
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void setup() {
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// initialize the digital pin as an output:
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pinMode(ledPin, OUTPUT);
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}
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// the loop() method runs over and over again,
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// as long as the Arduino has power
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void loop()
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{
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digitalWrite(ledPin, HIGH); // set the LED on
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delay(1000); // wait for a second
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digitalWrite(ledPin, LOW); // set the LED off
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delay(1000); // wait for a second
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}
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