Index
 
  Reference for Wiring 1.0 (ALPHA) 0019+. 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()