/**
 * True/False. 
 * 
 * Boolean data is one bit of information. True or false. 
 * It is common to use Booleans with control statements to 
 * determine the flow of a program. In this example, when the
 * boolean value "x" is true, the program waits for 10 seconds
 * then set the value "x" to false. After that "x" will be false
 * forever turning ON the onboard LED permanently
 */
 
boolean x = true;

void setup() {
  pinMode(48, OUTPUT);
}

void loop() {
  if( x == true ) {
    delay(10000);  // waits for 10 seconds
    x = false;
  } else {
    digitalWrite(48, HIGH);
  }
}


