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Reference for Wiring version 0024+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name | ### pinMode()
Examples |
    int inpin = 0;
    int outpin = 1;
    int val = 0;

    void setup() {
      pinMode(inpin, INPUT);
      pinMode(outpin, OUTPUT);
    }

    void loop() {
      val = digitalRead(inpin, HIGH);
      if(val == HIGH)
      {
        digitalWrite(outpin, HIGH);
      } else {
        digitalWrite(outpin, LOW);
      }
    }
Description | The pinMode() method sets the specified digital I/O pin as INPUT or OUTPUT. A digital or binary I/O pin can have two possible values: HIGH or LOW. Is it possible to set or read the value of a digital I/O pin by using the digitalWrite() and digitalRead() methods.
Syntax |
    pinMode(pin,value)
Parameters |
pin | pin number
value | INPUT or OUTPUT
Returns | None
Usage | Application
Related | INPUT OUTPUT digitalWrite() digitalRead()

Updated on November 01, 2009 11:25:09pm PST