Reference for Wiring version 0024+. 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 |
|
Returns |
int |
Usage |
Application |
Related |
analogWrite()
|
Updated on November 01, 2009 11:30:51pm PST