Language Reference

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




structure

The elements of Arduino (C++) code.

Further Syntax
#define (define)
#include (include)
/* */ (block comment)
// (single line comment)
; (semicolon)
{} (curly braces)
Arithmetic Operators
% (modulo)
* (multiplication)
+ (addition)
- (subtraction)
/ (division)
= (assignment operator)
Comparison Operators
!= (not equal to)
< (less than)
<= (less than or equal to)
== (equal to)
> (greater than)
>= (greater than or equal to)
Boolean Operators
! (logical not)
&& (logical and)
|| (logical or)
Pointer Access Operators
& (reference opearator)
* (dereference operator)
Bitwise Operators
& (bitwise and)
<< (bitshift left)
>> (bitshift right)
^ (bitwise xor)
| (bitwise or)
~ (bitwise not)
Compound Operators
&= (compound bitwise and)
*= (compound multiplication)
++ (increment)
+= (compound addition)
-- (decrement)
-= (compound subtraction)
/= (compound division)
|= (compound bitwise or)