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

analogRead()
Examples 
int inpin = 0;
int val = 0;

void setup() {
  Serial.begin(9600);
}

void loop() {
  val = analogRead(inpin);  // read the value of analog pin 0
  Serial.println(val);        // write the value to the serial port
}
Description The analogRead() method reads the value of an analog input pin. Possible values range is 0-1023, where 0 is 0 volts and 1023 is 5 volts.
Syntax 
analogRead(pin)
Parameters
pin int: the analog pin numer to read
Returns int: the value read from the analog pin
Usage Application
Related analogReference()
analogWrite()
Updated on July 07, 2011 11:07:47pm PDT

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