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Indent all multi-line C style comments in built-in examples by at least two spaces
This is required for Auto Format compatibility because it has the undesirable effect of indenting only unindented contents of multi-lline comments, thus altering the relative indentation of the text. The exception is the Max/MSP patches as I did not know whether indentation would break them.
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‎examples/01.Basics/DigitalReadSerial/DigitalReadSerial.ino‎

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11
/*
22
DigitalReadSerial
3-
Reads a digital input on pin 2, prints the result to the Serial Monitor
3+
Reads a digital input on pin 2, prints the result to the Serial Monitor
44
5-
This example code is in the public domain.
5+
This example code is in the public domain.
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*/
77

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// digital pin 2 has a pushbutton attached to it. Give it a name:

‎examples/01.Basics/Fade/Fade.ino‎

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/*
2-
Fade
2+
Fade
33
4-
This example shows how to fade an LED on pin 9
5-
using the analogWrite() function.
4+
This example shows how to fade an LED on pin 9
5+
using the analogWrite() function.
66
7-
The analogWrite() function uses PWM, so if
8-
you want to change the pin you're using, be
9-
sure to use another PWM capable pin. On most
10-
Arduino, the PWM pins are identified with
11-
a "~" sign, like ~3, ~5, ~6, ~9, ~10 and ~11.
7+
The analogWrite() function uses PWM, so if
8+
you want to change the pin you're using, be
9+
sure to use another PWM capable pin. On most
10+
Arduino, the PWM pins are identified with
11+
a "~" sign, like ~3, ~5, ~6, ~9, ~10 and ~11.
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13-
This example code is in the public domain.
13+
This example code is in the public domain.
1414
*/
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int led = 9; // the PWM pin the LED is attached to

‎examples/02.Digital/BlinkWithoutDelay/BlinkWithoutDelay.ino‎

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11
/* Blink without Delay
22
3-
Turns on and off a light emitting diode (LED) connected to a digital
4-
pin, without using the delay() function. This means that other code
5-
can run at the same time without being interrupted by the LED code.
6-
7-
The circuit:
8-
- Use the onboard LED.
9-
- Note: Most Arduinos have an on-board LED you can control. On the UNO, MEGA and ZERO
10-
it is attached to digital pin 13, on MKR1000 on pin 6. LED_BUILTIN is set to
11-
the correct LED pin independent of which board is used.
12-
If you want to know what pin the on-board LED is connected to on your Arduino model, check
13-
the Technical Specs of your board at https://www.arduino.cc/en/Main/Products
14-
15-
created 2005
16-
by David A. Mellis
17-
modified 8 Feb 2010
18-
by Paul Stoffregen
19-
modified 11 Nov 2013
20-
by Scott Fitzgerald
21-
modified 9 Jan 2017
22-
by Arturo Guadalupi
23-
24-
25-
This example code is in the public domain.
26-
27-
http://www.arduino.cc/en/Tutorial/BlinkWithoutDelay
3+
Turns on and off a light emitting diode (LED) connected to a digital
4+
pin, without using the delay() function. This means that other code
5+
can run at the same time without being interrupted by the LED code.
6+
7+
The circuit:
8+
- Use the onboard LED.
9+
- Note: Most Arduinos have an on-board LED you can control. On the UNO, MEGA and ZERO
10+
it is attached to digital pin 13, on MKR1000 on pin 6. LED_BUILTIN is set to
11+
the correct LED pin independent of which board is used.
12+
If you want to know what pin the on-board LED is connected to on your Arduino model, check
13+
the Technical Specs of your board at https://www.arduino.cc/en/Main/Products
14+
15+
created 2005
16+
by David A. Mellis
17+
modified 8 Feb 2010
18+
by Paul Stoffregen
19+
modified 11 Nov 2013
20+
by Scott Fitzgerald
21+
modified 9 Jan 2017
22+
by Arturo Guadalupi
23+
24+
25+
This example code is in the public domain.
26+
27+
http://www.arduino.cc/en/Tutorial/BlinkWithoutDelay
2828
*/
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3030
// constants won't change. Used here to set a pin number:

‎examples/02.Digital/Button/Button.ino‎

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11
/*
22
Button
33
4-
Turns on and off a light emitting diode(LED) connected to digital
5-
pin 13, when pressing a pushbutton attached to pin 2.
4+
Turns on and off a light emitting diode(LED) connected to digital
5+
pin 13, when pressing a pushbutton attached to pin 2.
66
77
8-
The circuit:
9-
- LED attached from pin 13 to ground
10-
- pushbutton attached to pin 2 from +5V
11-
- 10K resistor attached to pin 2 from ground
8+
The circuit:
9+
- LED attached from pin 13 to ground
10+
- pushbutton attached to pin 2 from +5V
11+
- 10K resistor attached to pin 2 from ground
1212
13-
- Note: on most Arduinos there is already an LED on the board
14-
attached to pin 13.
13+
- Note: on most Arduinos there is already an LED on the board
14+
attached to pin 13.
1515
1616
17-
created 2005
18-
by DojoDave <http://www.0j0.org>
19-
modified 30 Aug 2011
20-
by Tom Igoe
17+
created 2005
18+
by DojoDave <http://www.0j0.org>
19+
modified 30 Aug 2011
20+
by Tom Igoe
2121
22-
This example code is in the public domain.
22+
This example code is in the public domain.
2323
24-
http://www.arduino.cc/en/Tutorial/Button
24+
http://www.arduino.cc/en/Tutorial/Button
2525
*/
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2727
// constants won't change. They're used here to

‎examples/02.Digital/Debounce/Debounce.ino‎

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11
/*
2-
Debounce
2+
Debounce
33
4-
Each time the input pin goes from LOW to HIGH (e.g. because of a push-button
5-
press), the output pin is toggled from LOW to HIGH or HIGH to LOW. There's
6-
a minimum delay between toggles to debounce the circuit (i.e. to ignore
7-
noise).
4+
Each time the input pin goes from LOW to HIGH (e.g. because of a push-button
5+
press), the output pin is toggled from LOW to HIGH or HIGH to LOW. There's
6+
a minimum delay between toggles to debounce the circuit (i.e. to ignore
7+
noise).
88
9-
The circuit:
10-
- LED attached from pin 13 to ground
11-
- pushbutton attached from pin 2 to +5V
12-
- 10K resistor attached from pin 2 to ground
9+
The circuit:
10+
- LED attached from pin 13 to ground
11+
- pushbutton attached from pin 2 to +5V
12+
- 10K resistor attached from pin 2 to ground
1313
14-
- Note: On most Arduino boards, there is already an LED on the board
15-
connected to pin 13, so you don't need any extra components for this example.
14+
- Note: On most Arduino boards, there is already an LED on the board
15+
connected to pin 13, so you don't need any extra components for this example.
1616
1717
18-
created 21 November 2006
19-
by David A. Mellis
20-
modified 30 Aug 2011
21-
by Limor Fried
22-
modified 28 Dec 2012
23-
by Mike Walters
24-
modified 30 Aug 2016
25-
by Arturo Guadalupi
18+
created 21 November 2006
19+
by David A. Mellis
20+
modified 30 Aug 2011
21+
by Limor Fried
22+
modified 28 Dec 2012
23+
by Mike Walters
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modified 30 Aug 2016
25+
by Arturo Guadalupi
2626
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28-
This example code is in the public domain.
28+
This example code is in the public domain.
2929
30-
http://www.arduino.cc/en/Tutorial/Debounce
30+
http://www.arduino.cc/en/Tutorial/Debounce
3131
*/
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3333
// constants won't change. They're used here to

‎examples/02.Digital/DigitalInputPullup/DigitalInputPullup.ino‎

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11
/*
2-
Input Pull-up Serial
2+
Input Pull-up Serial
33
4-
This example demonstrates the use of pinMode(INPUT_PULLUP). It reads a
5-
digital input on pin 2 and prints the results to the Serial Monitor.
4+
This example demonstrates the use of pinMode(INPUT_PULLUP). It reads a
5+
digital input on pin 2 and prints the results to the Serial Monitor.
66
7-
The circuit:
8-
- Momentary switch attached from pin 2 to ground
9-
- Built-in LED on pin 13
7+
The circuit:
8+
- Momentary switch attached from pin 2 to ground
9+
- Built-in LED on pin 13
1010
11-
Unlike pinMode(INPUT), there is no pull-down resistor necessary. An internal
12-
20K-ohm resistor is pulled to 5V. This configuration causes the input to
13-
read HIGH when the switch is open, and LOW when it is closed.
11+
Unlike pinMode(INPUT), there is no pull-down resistor necessary. An internal
12+
20K-ohm resistor is pulled to 5V. This configuration causes the input to
13+
read HIGH when the switch is open, and LOW when it is closed.
1414
15-
created 14 March 2012
16-
by Scott Fitzgerald
15+
created 14 March 2012
16+
by Scott Fitzgerald
1717
18-
http://www.arduino.cc/en/Tutorial/InputPullupSerial
18+
http://www.arduino.cc/en/Tutorial/InputPullupSerial
1919
20-
This example code is in the public domain
20+
This example code is in the public domain
2121
2222
*/
2323

‎examples/02.Digital/StateChangeDetection/StateChangeDetection.ino‎

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11
/*
22
State change detection (edge detection)
33
4-
Often, you don't need to know the state of a digital input all the time,
5-
but you just need to know when the input changes from one state to another.
6-
For example, you want to know when a button goes from OFF to ON. This is called
7-
state change detection, or edge detection.
4+
Often, you don't need to know the state of a digital input all the time,
5+
but you just need to know when the input changes from one state to another.
6+
For example, you want to know when a button goes from OFF to ON. This is called
7+
state change detection, or edge detection.
88
9-
This example shows how to detect when a button or button changes from off to on
10-
and on to off.
9+
This example shows how to detect when a button or button changes from off to on
10+
and on to off.
1111
12-
The circuit:
13-
- pushbutton attached to pin 2 from +5V
14-
- 10K resistor attached to pin 2 from ground
15-
- LED attached from pin 13 to ground (or use the built-in LED on
16-
most Arduino boards)
12+
The circuit:
13+
- pushbutton attached to pin 2 from +5V
14+
- 10K resistor attached to pin 2 from ground
15+
- LED attached from pin 13 to ground (or use the built-in LED on
16+
most Arduino boards)
1717
18-
created 27 Sep 2005
19-
modified 30 Aug 2011
20-
by Tom Igoe
18+
created 27 Sep 2005
19+
modified 30 Aug 2011
20+
by Tom Igoe
2121
22-
This example code is in the public domain.
22+
This example code is in the public domain.
2323
24-
http://www.arduino.cc/en/Tutorial/ButtonStateChange
24+
http://www.arduino.cc/en/Tutorial/ButtonStateChange
2525
2626
*/
2727

‎examples/02.Digital/toneKeyboard/toneKeyboard.ino‎

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11
/*
22
keyboard
33
4-
Plays a pitch that changes based on a changing analog input
4+
Plays a pitch that changes based on a changing analog input
55
6-
circuit:
7-
- 3 force-sensing resistors from +5V to analog in 0 through 5
8-
- 3 10K resistors from analog in 0 through 5 to ground
9-
- 8-ohm speaker on digital pin 8
6+
circuit:
7+
- 3 force-sensing resistors from +5V to analog in 0 through 5
8+
- 3 10K resistors from analog in 0 through 5 to ground
9+
- 8-ohm speaker on digital pin 8
1010
11-
created 21 Jan 2010
12-
modified 9 Apr 2012
13-
by Tom Igoe
11+
created 21 Jan 2010
12+
modified 9 Apr 2012
13+
by Tom Igoe
1414
15-
This example code is in the public domain.
15+
This example code is in the public domain.
1616
17-
http://www.arduino.cc/en/Tutorial/Tone3
17+
http://www.arduino.cc/en/Tutorial/Tone3
1818
1919
*/
2020

‎examples/02.Digital/toneMelody/toneMelody.ino‎

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11
/*
22
Melody
33
4-
Plays a melody
4+
Plays a melody
55
6-
circuit:
7-
- 8-ohm speaker on digital pin 8
6+
circuit:
7+
- 8-ohm speaker on digital pin 8
88
9-
created 21 Jan 2010
10-
modified 30 Aug 2011
11-
by Tom Igoe
9+
created 21 Jan 2010
10+
modified 30 Aug 2011
11+
by Tom Igoe
1212
13-
This example code is in the public domain.
13+
This example code is in the public domain.
1414
15-
http://www.arduino.cc/en/Tutorial/Tone
15+
http://www.arduino.cc/en/Tutorial/Tone
1616
1717
*/
1818
#include "pitches.h"

‎examples/02.Digital/toneMultiple/toneMultiple.ino‎

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/*
22
Multiple tone player
33
4-
Plays multiple tones on multiple pins in sequence
4+
Plays multiple tones on multiple pins in sequence
55
6-
circuit:
7-
- 3 8-ohm speaker on digital pins 6, 7, and 8
6+
circuit:
7+
- 3 8-ohm speaker on digital pins 6, 7, and 8
88
9-
created 8 March 2010
10-
by Tom Igoe
11-
based on a snippet from Greg Borenstein
9+
created 8 March 2010
10+
by Tom Igoe
11+
based on a snippet from Greg Borenstein
1212
13-
This example code is in the public domain.
13+
This example code is in the public domain.
1414
15-
http://www.arduino.cc/en/Tutorial/Tone4
15+
http://www.arduino.cc/en/Tutorial/Tone4
1616
1717
*/
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