Framework (A-Z)

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

digitalRead()
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 digitalRead() method reads the value of a digital input pin.
Syntax 
digitalRead(pin)
Parameters
pin int: HIGH or LOW
Returns int
Usage Application
Related INPUT
OUTPUT
HIGH
LOW
digitalWrite()
pinMode()
Updated on July 07, 2011 11:08:08pm PDT

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