| Index

| Reference for Wiring 1.0 (ALPHA) 0021+. 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 |  | ### 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.print(val / 4);     // write the scaled value to the serial port
    }
Description |  | The analogRead() method reads the value of an analog input pin. Possible values range from 0 to 1024, where 0 is 0 volts and 1024 is 5 volts.
Syntax |  |
    analogRead(pin)
Parameters |  |
pin |  | int
Returns |  | int
Usage |  | Application
Related |  | analogWrite()