initial check-in of arduino docs in RST format (converted using wget+pandoc)

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+.. _arduino-micros:
+
+micros()
+========
+
+Description
+-----------
+
+Returns the number of microseconds since the Arduino board began
+running the current program. This number will overflow (go back to
+zero), after approximately 70 minutes. On 16 MHz Arduino boards
+(e.g. Duemilanove and Nano), this function has a resolution of four
+microseconds (i.e. the value returned is always a multiple of
+four). On 8 MHz Arduino boards (e.g. the LilyPad), this function
+has a resolution of eight microseconds.
+
+
+
+*Note*: there are 1,000 microseconds in a millisecond and 1,000,000
+microseconds in a second.
+
+
+
+Parameters
+----------
+
+None
+
+
+
+Returns
+-------
+
+Number of microseconds since the program started (*unsigned long*)
+
+
+
+Example
+-------
+
+::
+
+    unsigned long time;
+    
+    void setup(){
+      Serial.begin(9600);
+    }
+    void loop(){
+      Serial.print("Time: ");
+      time = micros();
+      //prints time since program started
+      Serial.println(time);
+      // wait a second so as not to send massive amounts of data
+      delay(1000);
+    }
+
+
+
+See also
+--------
+
+
+-  `millis <http://arduino.cc/en/Reference/Millis>`_\ ()
+-  `delay <http://arduino.cc/en/Reference/Delay>`_\ ()
+-  `delayMicroseconds <http://arduino.cc/en/Reference/DelayMicroseconds>`_\ ()
+