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build/shared/examples/10.StarterKit/p15_HackingButtons/p15_HackingButtons.ino

@@ -1,37 +1,37 @@
 /*
   Arduino Starter Kit example
  Project 15  - Hacking Buttons
- 
+
  This sketch is written to accompany Project 15 in the
  Arduino Starter Kit
- 
+
  Parts required:
  batery powered component
  220 ohm resistor
  4N35 optocoupler
- 
+
  Created 18 September 2012
  by Scott Fitzgerald
- 
+
  http://arduino.cc/starterKit
- 
- This example code is part of the public domain 
+
+ This example code is part of the public domain
  */
 
 const int optoPin = 2; // the pin the optocoupler is connected to
 
-void setup(){
-  // make the pin with the optocoupler an output 
+void setup() {
+  // make the pin with the optocoupler an output
   pinMode(optoPin, OUTPUT);
 }
 
-void loop(){
- digitalWrite(optoPin, HIGH);  // pull pin 2 HIGH, activating the optocoupler
-                              
- delay(15); // give the optocoupler a moment to activate 
- 
- digitalWrite(optoPin, LOW);  // pull pin 2 low until you're ready to activate again
- delay(21000);                // wait for 21 seconds 
+void loop() {
+  digitalWrite(optoPin, HIGH);  // pull pin 2 HIGH, activating the optocoupler
+
+  delay(15); // give the optocoupler a moment to activate
+
+  digitalWrite(optoPin, LOW);  // pull pin 2 low until you're ready to activate again
+  delay(21000);                // wait for 21 seconds
 }