/*Description
Returns the number of milliseconds passed since the Arduino board began running the current program. This number will overflow (go back to zero), after approximately 50 days.
Syntax */
time = millis()
/*
Returns
Number of milliseconds passed since the program started.
Return Data type: unsigned long.
*/unsigned long myTime;
void setup() {
Serial.begin(9600);
}
void loop() {
Serial.print("Time: ");
myTime = millis();
Serial.println(myTime); // prints time since program started
delay(1000); // wait a second so as not to send massive amounts of data
}