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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 |

### portRead()

Examples |
    int inport = 1;
    int val = 0;

    void setup() {
      portMode(inport, INPUT);
      Serial.begin(9600);
    }

    void loop() {
      val = portRead(inport);
      Serial.print(val);
    }
Description | The portRead() method reads the value of the digital input port specified.
Syntax |
    portRead(port)
Parameters |

port | Port number to read from

Returns | int
Usage | Application
Related | INPUT OUTPUT portWrite() portMode()

Updated on July 07, 2011 11:08:48pm PDT