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+.. _arduino-millis:
+
+millis()
+========
+
+Description
+-----------
+
+Returns the number of milliseconds since the Arduino board began
+running the current program. This number will overflow (go back to
+zero), after approximately 50 days.
+
+
+
+Parameters
+----------
+
+None
+
+
+
+Returns
+-------
+
+Number of milliseconds since the program started (*unsigned long*)
+
+
+
+Example
+-------
+
+::
+
+    unsigned long time;
+    
+    void setup(){
+      Serial.begin(9600);
+    }
+    void loop(){
+      Serial.print("Time: ");
+      time = millis();
+      //prints time since program started
+      Serial.println(time);
+      // wait a second so as not to send massive amounts of data
+      delay(1000);
+    }
+
+
+
+Tip:
+----
+
+Note that the parameter for millis is an unsigned long, errors may
+be generated if a programmer tries to do math with other datatypes
+such as ints.
+
+
+
+See also
+--------
+
+
+-  `micros <http://arduino.cc/en/Reference/Micros>`_\ ()
+-  `delay <http://arduino.cc/en/Reference/Delay>`_\ ()
+-  `delayMicroseconds <http://arduino.cc/en/Reference/DelayMicroseconds>`_\ ()
+-  `Tutorial: Blink Without Delay <http://arduino.cc/en/Tutorial/BlinkWithoutDelay>`_
+