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Home / Programming / Language Reference Language Reference

Arduino programming language can be divided in three main parts: functions, values (variables and constants), and structure.

For controlling the Arduino board and performing computations.

Digital I/O

digitalRead()

digitalWrite()

pinMode()

Math

abs()

constrain()

map()

max()

min()

pow()

sq()

sqrt()

Bits and Bytes

bit()

bitClear()

bitRead()

bitSet()

bitWrite()

highByte()

lowByte()

Analog I/O

analogRead()

analogReadResolution()

analogReference()

analogWrite()

analogWriteResolution()

Trigonometry

cos()

sin()

tan()

External Interrupts

attachInterrupt()

detachInterrupt()

digitalPinToInterrupt()

Advanced I/O

noTone()

pulseIn()

pulseInLong()

shiftIn()

shiftOut()

tone()

Characters

isAlpha()

isAlphaNumeric()

isAscii()

isControl()

isDigit()

isGraph()

isHexadecimalDigit()

isLowerCase()

isPrintable()

isPunct()

isSpace()

isUpperCase()

isWhitespace()

Interrupts

interrupts()

noInterrupts()

Time

delay()

delayMicroseconds()

micros()

millis()

Random Numbers

random()

randomSeed()

Communication

SPI

Print

Serial

Stream

Wire

USB

Keyboard

Mouse

Wi-Fi

Wi-Fi Overview

WiFi Network

IPAddress

WiFiClient

WiFiServer

WiFiUDP

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