Setup

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Name setup()
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
}
Methods
Constructor
Parameters
statements unknown datatype any valid statements
Returns None
Example
void setup() {
  pinMode(8, OUTPUT);
  Serial.begin(9600);
}
 
void loop() {
  Serial.print('.');
  delay(1000);
}
Related loop
Language: English
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