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<p class='vspace'></p><h2>pinMode()</h2>
<h4>Description</h4>
<p>Configures the specified pin to behave either as an input or an output. See the description of <a class='wikilink' href='http://arduino.cc/en/Tutorial/DigitalPins'>digital pins</a> for details.
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<p class='vspace'></p><h4>Syntax</h4>
<p>pinMode(pin, mode)
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<p class='vspace'></p><h4>Parameters</h4>
<p>pin: the number of the pin whose mode you wish to set
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<p class='vspace'></p><p>mode: either <a class='wikilink' href='Constants.html'>INPUT</a> or <a class='wikilink' href='Constants.html'>OUTPUT</a>
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<p class='vspace'></p><h4>Returns</h4>
<p>None
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<p class='vspace'></p><h4>Example</h4>
<pre>
int ledPin = 13; // LED connected to digital pin 13
void setup()
{
pinMode(ledPin, OUTPUT); // sets the digital pin as 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
}
</pre>
<p class='vspace'></p><h4>Note</h4>
<p>The analog input pins can be used as digital pins, referred to as numbers 14 (analog input 0) to 19 (analog input 5).
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<ul><li><a class='wikilink' href='Constants.html'>constants</a>
</li><li><a class='wikilink' href='DigitalWrite.html'>digitalWrite</a>()
</li><li><a class='wikilink' href='DigitalRead.html'>digitalRead</a>()
</li><li>Tutorial: <a class='wikilink' href='http://arduino.cc/en/Tutorial/DigitalPins'>Description of the pins on an Arduino board</a>
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