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Reference for Wiring version 1.0 Build 0100+ If you have a previous version, use the reference included with your software. If see any errors or have any comments, let us know.

Name |

### pinMode()

Examples |
    int inpin = 8;
    int outpin = 9;
    int val = 0;

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

    void loop() {
      val = digitalRead(inpin);
      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 July 07, 2011 11:08:47pm PDT