Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Arduino Commands Cheat Sheet, Cheat Sheet of Programming Languages

Typology: Cheat Sheet

2020/2021

Uploaded on 04/23/2021

ekambar
ekambar 🇺🇸

4.7

(23)

265 documents

1 / 1

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
ARDUINO CHEAT SHEET
For more information visit: http://arduino.cc/en/Reference/
LilyPad ProtoSnap Simple:
RedBoard:
Structure
/* Each Arduino sketch must contain the
following two functions. */
void setup()
{
/* this code runs once at the beginning of
the code execution. */
}
void loop()
{
/* this code runs repeatedly over and over
as long as the board is powered. */
}
Comments
// this is a single line
/* this is
a multiline */
Setup
pinMode(pin, [INPUT \ OUTPUT \ INPUT_PUL-
LUP]);
/* Sets the mode of the digital I/O pin.
It can be set as an input, output, or an
input with an internal pull-up resistor.
*/
Control Structures
if(condition)
{
// if condition is TRUE, do something here
}
else
{
// otherwise, do this
}
for(initialization; condition; increment)
{
// do this
}
/* The ‘for’ statement is used to repeat
a block of statements enclosed in curly
braces. An increment counter is usually
used to increment and terminate the loop.
*/
Digital I/O
digitalWrite(pin, val);
/* val = HIGH or LOW write a HIGH or a LOW
value to a digital pin. */
int var = digitalRead(pin);
/* Reads the value from a specified digital
pin, either HIGH or LOW. */
Analog I/O
analogWrite(pin, val);
/* Writes an analog value to a pin.
val = integer value from 0 to 255 */
int var = analogRead(pin);
/* Reads the value from the specified
analog pin. */
Advanced I/O
tone(pin, freq);
/* Generates a square wave of the specified
frequency to a pin. Pin must be one of the
PWM (~) pins. */
tone(pin, freq, duration);
/* Generates a square wave of the specified
frequency to a pin for a duration in
milliseconds. Pin must be one of the PWM (~)
pins. */
noTone(pin);
// Turns off the tone on the pin.
Time
delay(time_ms);
/* Pauses the program for the amount of time
(in milliseconds). */
delayMicroseconds(time_us);
/* Pauses the program for the amount of time
(in microseconds). */
millis();
/* Returns the number of milliseconds since
the board began running the current program.
max: 4,294,967,295 */
micros();
/* Returns the number of microseconds since
the board began running the current program.
max: 4,294,967,295 */
Data Types
void
// nothing is returned
boolean
// 0, 1, false, true
char
// 8 bits: ASCII character
byte
// 8 bits: 0 to 255, unsigned
int
// 16 bits: 32,768 to 32,767, signed
long
/* 32 bits: 2,147,483,648
to 2,147,483,647, signed */
float
// 32 bits, signed decimal
Constants
HIGH \ LOW
INPUT \ OUTPUT
true \ false
Mathematical Operators
=
// assignment
+
// addition
-
// subtraction
*
// multiplication
/
// division
%
// modulus
Logical Operators
==
// boolean equal to
!=
// not equal to
<
// less than
>
// greater than
<=
// less than or equal to
>=
// greater than or equal to
&&
// Boolean AND
||
// Boolean OR
!
// Boolean NOT
Bitwise Operators
&
// bitwise AND
|
// bitwise OR
^
// bitwise XOR
~
// bitwise INVERT
var << n
// bitwise shift left by n bits
var >> n
// bitwise shift right by n bits
Libraries
#include <libraryname.h>
/* this provides access to special
additional functions for things such as
servo motors, SD card, wifi, or bluetooth.
*/
ATmega328
Microcontroller
Temperature
Sensor
Button Vibe Motor
RGB LED
Switch
Light
Sensor
Buzzer/
Speaker
LEDs
(Light Emitting Diodes)
Power In
Power
5V / 3.3 / GND
USB to Computer
Reset
Analog
Inputs
SCL/SDA
(I2C Bus)
ATmega328
Microcontroller
Digital I/O
PWM(3,5,6,9,10,11)

Partial preview of the text

Download Arduino Commands Cheat Sheet and more Cheat Sheet Programming Languages in PDF only on Docsity!

ARDUINO CHEAT SHEET

For more information visit: http://arduino.cc/en/Reference/

LilyPad ProtoSnap Simple:

RedBoard:

Structure

/* Each Arduino sketch must contain the following two functions. */

void setup()

/* this code runs once at the beginning of the code execution. */

void loop()

/* this code runs repeatedly over and over as long as the board is powered. */

Comments

// this is a single line

/* this is

a multiline */

Setup

pinMode(pin, [INPUT \ OUTPUT \ INPUT_PUL-

LUP]);

/* Sets the mode of the digital I/O pin. It can be set as an input, output, or an input with an internal pull-up resistor. */

Control Structures

if(condition)

// if condition is TRUE, do something here

else

// otherwise, do this

for(initialization; condition; increment)

// do this

/* The ‘for’ statement is used to repeat a block of statements enclosed in curly braces. An increment counter is usually used to increment and terminate the loop. */

Digital I/O

digitalWrite(pin, val);

/* val = HIGH or LOW write a HIGH or a LOW value to a digital pin. */

int var = digitalRead(pin);

/* Reads the value from a specified digital pin, either HIGH or LOW. */

Analog I/O

analogWrite(pin, val);

/* Writes an analog value to a pin. val = integer value from 0 to 255 */

int var = analogRead(pin);

/* Reads the value from the specified analog pin. */

Advanced I/O

tone(pin, freq);

/* Generates a square wave of the specified frequency to a pin. Pin must be one of the PWM (~) pins. */

tone(pin, freq, duration);

/* Generates a square wave of the specified frequency to a pin for a duration in milliseconds. Pin must be one of the PWM (~) pins. */

noTone(pin);

// Turns off the tone on the pin.

Time

delay(time_ms);

/* Pauses the program for the amount of time (in milliseconds). */

delayMicroseconds(time_us);

/* Pauses the program for the amount of time (in microseconds). */

millis();

/* Returns the number of milliseconds since the board began running the current program. max: 4,294,967,295 */

micros();

/* Returns the number of microseconds since the board began running the current program. max: 4,294,967,295 */

Data Types

void // nothing is returned

boolean // 0, 1, false, true

char // 8 bits: ASCII character

byte // 8 bits: 0 to 255, unsigned

int // 16 bits: 32,768 to 32,767, signed

long /* 32 bits: 2,147,483,

to 2,147,483,647, signed */

float // 32 bits, signed decimal

Constants

HIGH \ LOW

INPUT \ OUTPUT

true \ false

Mathematical Operators

= // assignment

+ // addition

  • // subtraction

* // multiplication

/ // division

% // modulus

Logical Operators

== // boolean equal to

!= // not equal to

< // less than

> // greater than

<= // less than or equal to

>= // greater than or equal to

&& // Boolean AND

|| // Boolean OR

! // Boolean NOT

Bitwise Operators

& // bitwise AND

| // bitwise OR

^ // bitwise XOR

~ // bitwise INVERT

var << n // bitwise shift left by n bits

var >> n // bitwise shift right by n bits

Libraries

#include <libraryname.h>

/* this provides access to special additional functions for things such as servo motors, SD card, wifi, or bluetooth. */

ATmega Microcontroller

Temperature Sensor

Button Vibe Motor

RGB LED Switch

Light Sensor

Buzzer/ Speaker

LEDs (Light Emitting Diodes)

Power In

Power 5V / 3.3 / GND

USB to Computer

Reset

Analog Inputs

SCL/SDA (I2C Bus)

ATmega Microcontroller

Digital I/O PWM(3,5,6,9,10,11)