Index
 
  Reference for Wiring 1.0 (ALPHA) 0020+. 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  

setup()

   
Examples   
void setup() { 
  pinMode(0, OUTPUT); 
  Serial.begin(9600); 
} 
 
void loop() { 
  Serial.print('.'); 
  delay(1000); 
}

Description   Function called once when the program begins running. Used to define initial enviroment properties such as a pin mode (INPUT or OUTPUT), starting the serial port etc. before the loop() begins executing. Variables declared within setup() are not accessible within loop().
   
Syntax   
void setup() {
  statements
}
   
Parameters  
statements   any valid statements
   
Returns   None
   
Usage   Web & Application
   
Related   loop()