Use a consistent number of spaces after punctuation in the comments of the built-in examples

build/shared/examples/02.Digital/BlinkWithoutDelay/BlinkWithoutDelay.ino

@@ -2,7 +2,7 @@
   Blink without Delay
 
   Turns on and off a light emitting diode (LED) connected to a digital
-  pin, without using the delay() function.  This means that other code
+  pin, without using the delay() function. This means that other code
   can run at the same time without being interrupted by the LED code.
 
   The circuit:

build/shared/examples/02.Digital/Debounce/Debounce.ino

@@ -2,7 +2,7 @@
   Debounce
 
   Each time the input pin goes from LOW to HIGH (e.g. because of a push-button
-  press), the output pin is toggled from LOW to HIGH or HIGH to LOW.  There's
+  press), the output pin is toggled from LOW to HIGH or HIGH to LOW. There's
   a minimum delay between toggles to debounce the circuit (i.e. to ignore
   noise).
 
@@ -83,7 +83,7 @@ void loop() {
   // set the LED:
   digitalWrite(ledPin, ledState);
 
-  // save the reading.  Next time through the loop,
+  // save the reading. Next time through the loop,
   // it'll be the lastButtonState:
   lastButtonState = reading;
 }

build/shared/examples/02.Digital/StateChangeDetection/StateChangeDetection.ino

@@ -3,7 +3,7 @@
 
   Often, you don't need to know the state of a digital input all the time,
   but you just need to know when the input changes from one state to another.
-  For example, you want to know when a button goes from OFF to ON.  This is called
+  For example, you want to know when a button goes from OFF to ON. This is called
   state change detection, or edge detection.
 
   This example shows how to detect when a button or button changes from off to on
@@ -55,7 +55,7 @@ void loop() {
       // went from off to on:
       buttonPushCounter++;
       Serial.println("on");
-      Serial.print("number of button pushes:  ");
+      Serial.print("number of button pushes: ");
       Serial.println(buttonPushCounter);
     } else {
       // if the current state is LOW then the button

build/shared/examples/03.Analog/AnalogInOutSerial/AnalogInOutSerial.ino

@@ -20,7 +20,7 @@
   http://www.arduino.cc/en/Tutorial/AnalogInOutSerial
 */
 
-// These constants won't change.  They're used to give names
+// These constants won't change. They're used to give names
 // to the pins used:
 const int analogInPin = A0;  // Analog input pin that the potentiometer is attached to
 const int analogOutPin = 9; // Analog output pin that the LED is attached to

build/shared/examples/03.Analog/AnalogWriteMega/AnalogWriteMega.ino

@@ -15,7 +15,7 @@
   http://www.arduino.cc/en/Tutorial/AnalogWriteMega
 */
 
-// These constants won't change.  They're used to give names
+// These constants won't change. They're used to give names
 // to the pins used:
 const int lowestPin = 2;
 const int highestPin = 13;

build/shared/examples/03.Analog/Calibration/Calibration.ino

@@ -1,7 +1,7 @@
 /*
   Calibration
 
-  Demonstrates one technique for calibrating sensor input.  The
+  Demonstrates one technique for calibrating sensor input. The
   sensor readings during the first five seconds of the sketch
   execution define the minimum and maximum of expected values
   attached to the sensor pin.

build/shared/examples/03.Analog/Smoothing/Smoothing.ino

@@ -2,7 +2,7 @@
   Smoothing
 
   Reads repeatedly from an analog input, calculating a running average
-  and printing it to the computer.  Keeps ten readings in an array and
+  and printing it to the computer. Keeps ten readings in an array and
   continually averages them.
 
   The circuit:
@@ -18,9 +18,9 @@
   http://www.arduino.cc/en/Tutorial/Smoothing
 */
 
-// Define the number of samples to keep track of.  The higher the number,
+// Define the number of samples to keep track of. The higher the number,
 // the more the readings will be smoothed, but the slower the output will
-// respond to the input.  Using a constant rather than a normal variable lets
+// respond to the input. Using a constant rather than a normal variable lets
 // us use this value to determine the size of the readings array.
 const int numReadings = 10;
 

build/shared/examples/04.Communication/ASCIITable/ASCIITable.ino

@@ -7,7 +7,7 @@
 
   For more on ASCII, see http://www.asciitable.com and http://en.wikipedia.org/wiki/ASCII
 
-  The circuit:  No external hardware needed.
+  The circuit: No external hardware needed.
 
   created 2006
   by Nicholas Zambetti <http://www.zambetti.com>
@@ -39,7 +39,7 @@ int thisByte = 33;
 void loop() {
   // prints value unaltered, i.e. the raw binary version of the
   // byte. The Serial Monitor interprets all bytes as
-  // ASCII, so 33, the first number,  will show up as '!'
+  // ASCII, so 33, the first number, will show up as '!'
   Serial.write(thisByte);
 
   Serial.print(", dec: ");

build/shared/examples/04.Communication/Dimmer/Dimmer.ino

@@ -2,8 +2,8 @@
   Dimmer
 
   Demonstrates sending data from the computer to the Arduino board,
-  in this case to control the brightness of an LED.  The data is sent
-  in individual bytes, each of which ranges from 0 to 255.  Arduino
+  in this case to control the brightness of an LED. The data is sent
+  in individual bytes, each of which ranges from 0 to 255. Arduino
   reads these bytes and uses them to set the brightness of the LED.
 
   The circuit:
@@ -56,9 +56,9 @@ void loop() {
   // if using Processing 2.1 or later, use Serial.printArray()
   println(Serial.list());
 
-  // Uses the first port in this list (number 0).  Change this to
-  // select the port corresponding to your Arduino board.  The last
-  // parameter (e.g. 9600) is the speed of the communication.  It
+  // Uses the first port in this list (number 0). Change this to
+  // select the port corresponding to your Arduino board. The last
+  // parameter (e.g. 9600) is the speed of the communication. It
   // has to correspond to the value passed to Serial.begin() in your
   // Arduino sketch.
   port = new Serial(this, Serial.list()[0], 9600);

build/shared/examples/04.Communication/Graph/Graph.ino

@@ -2,7 +2,7 @@
   Graph
 
   A simple example of communication from the Arduino board to the computer:
-  the value of analog input 0 is sent out the serial port.  We call this "serial"
+  the value of analog input 0 is sent out the serial port. We call this "serial"
   communication because the connection appears to both the Arduino and the
   computer as a serial port, even though it may actually use
   a USB cable. Bytes are sent one after another (serially) from the Arduino
@@ -10,7 +10,7 @@
 
   You can use the Arduino Serial Monitor to view the sent data, or it can
   be read by Processing, PD, Max/MSP, or any other program capable of reading
-  data from a serial port.  The Processing code below graphs the data received
+  data from a serial port. The Processing code below graphs the data received
   so you can see the value of the analog input changing over time.
 
   The circuit:

build/shared/examples/04.Communication/Midi/Midi.ino

@@ -37,7 +37,7 @@ void loop() {
   }
 }
 
-// plays a MIDI note.  Doesn't check to see that
+// plays a MIDI note. Doesn't check to see that
 // cmd is greater than 127, or that data values are less than 127:
 void noteOn(int cmd, int pitch, int velocity) {
   Serial.write(cmd);

build/shared/examples/04.Communication/PhysicalPixel/PhysicalPixel.ino

@@ -2,7 +2,7 @@
   Physical Pixel
 
   An example of using the Arduino board to receive data from the
-  computer.  In this case, the Arduino boards turns on an LED when
+  computer. In this case, the Arduino boards turns on an LED when
   it receives the character 'H', and turns off the LED when it
   receives the character 'L'.
 

build/shared/examples/04.Communication/SerialEvent/SerialEvent.ino

@@ -41,9 +41,9 @@ void loop() {
 
 /*
   SerialEvent occurs whenever a new data comes in the
-  hardware serial RX.  This routine is run between each
+  hardware serial RX. This routine is run between each
   time loop() runs, so using delay inside loop can delay
-  response.  Multiple bytes of data may be available.
+  response. Multiple bytes of data may be available.
 */
 void serialEvent() {
   while (Serial.available()) {

build/shared/examples/05.Control/switchCase/switchCase.ino

@@ -1,9 +1,9 @@
 /*
   Switch statement
 
-  Demonstrates the use of a switch statement.  The switch
+  Demonstrates the use of a switch statement. The switch
   statement allows you to choose from among a set of discrete values
-  of a variable.  It's like a series of if statements.
+  of a variable. It's like a series of if statements.
 
   To see this sketch in action, put the board and sensor in a well-lit
   room, open the Serial Monitor, and move your hand gradually down

build/shared/examples/05.Control/switchCase2/switchCase2.ino

@@ -1,12 +1,12 @@
 /*
   Switch statement with serial input
 
-  Demonstrates the use of a switch statement.  The switch
+  Demonstrates the use of a switch statement. The switch
   statement allows you to choose from among a set of discrete values
-  of a variable.  It's like a series of if statements.
+  of a variable. It's like a series of if statements.
 
   To see this sketch in action, open the Serial monitor and send any character.
-  The characters a, b, c, d, and e, will turn on LEDs.  Any other character will turn
+  The characters a, b, c, d, and e, will turn on LEDs. Any other character will turn
   the LEDs off.
 
   The circuit:
@@ -36,7 +36,7 @@ void loop() {
     // do something different depending on the character received.
     // The switch statement expects single number values for each case;
     // in this example, though, you're using single quotes to tell
-    // the controller to get the ASCII value for the character.  For
+    // the controller to get the ASCII value for the character. For
     // example 'a' = 97, 'b' = 98, and so forth:
 
     switch (inByte) {

build/shared/examples/06.Sensors/ADXL3xx/ADXL3xx.ino

@@ -2,7 +2,7 @@
   ADXL3xx
 
   Reads an Analog Devices ADXL3xx accelerometer and communicates the
-  acceleration to the computer.  The pins used are designed to be easily
+  acceleration to the computer. The pins used are designed to be easily
   compatible with the breakout boards from SparkFun, available from:
   http://www.sparkfun.com/commerce/categories.php?c=80
 
@@ -36,8 +36,8 @@ void setup() {
   Serial.begin(9600);
 
   // Provide ground and power by using the analog inputs as normal
-  // digital pins.  This makes it possible to directly connect the
-  // breakout board to the Arduino.  If you use the normal 5V and
+  // digital pins. This makes it possible to directly connect the
+  // breakout board to the Arduino. If you use the normal 5V and
   // GND pins on the Arduino, you can remove these lines.
   pinMode(groundpin, OUTPUT);
   pinMode(powerpin, OUTPUT);

build/shared/examples/06.Sensors/Memsic2125/Memsic2125.ino

@@ -1,7 +1,7 @@
 /*
   Memsic2125
 
-  Read the Memsic 2125 two-axis accelerometer.  Converts the
+  Read the Memsic 2125 two-axis accelerometer. Converts the
   pulses output by the 2125 into milli-g's (1/1000 of Earth's
   gravity) and prints them over the serial connection to the
   computer.

build/shared/examples/06.Sensors/Ping/Ping.ino

@@ -4,7 +4,7 @@
   This sketch reads a PING))) ultrasonic rangefinder and returns the
   distance to the closest object in range. To do this, it sends a pulse
   to the sensor to initiate a reading, then listens for a pulse
-  to return.  The length of the returning pulse is proportional to
+  to return. The length of the returning pulse is proportional to
   the distance of the object from the sensor.
 
   The circuit:
@@ -22,7 +22,7 @@
   http://www.arduino.cc/en/Tutorial/Ping
 */
 
-// this constant won't change.  It's the pin number
+// this constant won't change. It's the pin number
 // of the sensor's output:
 const int pingPin = 7;
 
@@ -67,7 +67,7 @@ void loop() {
 long microsecondsToInches(long microseconds) {
   // According to Parallax's datasheet for the PING))), there are
   // 73.746 microseconds per inch (i.e. sound travels at 1130 feet per
-  // second).  This gives the distance travelled by the ping, outbound
+  // second). This gives the distance travelled by the ping, outbound
   // and return, so we divide by 2 to get the distance of the obstacle.
   // See: http://www.parallax.com/dl/docs/prod/acc/28015-PING-v1.3.pdf
   return microseconds / 74 / 2;

build/shared/examples/09.USB/KeyboardAndMouseControl/KeyboardAndMouseControl.ino

@@ -9,8 +9,8 @@
   The mouse movement is always relative. This sketch reads
   four pushbuttons, and uses them to set the movement of the mouse.
 
-  WARNING:  When you use the Mouse.move() command, the Arduino takes
-  over your mouse!  Make sure you have control before you use the mouse commands.
+  WARNING: When you use the Mouse.move() command, the Arduino takes
+  over your mouse! Make sure you have control before you use the mouse commands.
 
   created 15 Mar 2012
   modified 27 Mar 2012

build/shared/examples/09.USB/Mouse/ButtonMouseControl/ButtonMouseControl.ino

@@ -11,8 +11,8 @@
   The mouse movement is always relative. This sketch reads
   four pushbuttons, and uses them to set the movement of the mouse.
 
-  WARNING:  When you use the Mouse.move() command, the Arduino takes
-  over your mouse!  Make sure you have control before you use the mouse commands.
+  WARNING: When you use the Mouse.move() command, the Arduino takes
+  over your mouse! Make sure you have control before you use the mouse commands.
 
   created 15 Mar 2012
   modified 27 Mar 2012

build/shared/examples/09.USB/Mouse/JoystickMouseControl/JoystickMouseControl.ino

@@ -15,8 +15,8 @@
   The sketch assumes that the joystick resting values are around the
   middle of the range, but that they vary within a threshold.
 
-  WARNING:  When you use the Mouse.move() command, the Arduino takes
-  over your mouse!  Make sure you have control before you use the command.
+  WARNING: When you use the Mouse.move() command, the Arduino takes
+  over your mouse! Make sure you have control before you use the command.
   This sketch includes a pushbutton to toggle the mouse control state, so
   you can turn on and off mouse control.