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January 3, 2010 00:51
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/* | |
Blink | |
Turns on an LED on for one second, then off for one second, repeatedly. | |
The circuit: | |
* LED connected from digital pin 13 to ground. | |
* Note: On most Arduino boards, there is already an LED on the board | |
connected to pin 13, so you don't need any extra components for this example. | |
Created 1 June 2005 | |
By David Cuartielles | |
http://arduino.cc/en/Tutorial/Blink | |
based on an orginal by H. Barragan for the Wiring i/o board | |
*/ | |
#include "WProgram.h" | |
void setup(); | |
void loop(); | |
int ledPin = 3; // LED connected to digital pin 13 | |
// The setup() method runs once, when the sketch starts | |
void setup() { | |
// initialize the digital pin as an output: | |
pinMode(ledPin, OUTPUT); | |
} | |
// the loop() method runs over and over again, | |
// as long as the Arduino has power | |
void loop() | |
{ | |
digitalWrite(ledPin, HIGH); // set the LED on | |
delay(1000); // wait for a second | |
digitalWrite(ledPin, LOW); // set the LED off | |
delay(1000); // wait for a second | |
digitalWrite(4, HIGH); // set the LED on | |
delay(1000); // wait for a second | |
digitalWrite(4, LOW); // set the LED off | |
delay(1000); // wait for a second | |
} | |
int main(void) | |
{ | |
init(); | |
setup(); | |
for (;;) | |
loop(); | |
return 0; | |
} | |
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