Arduino Workshop @ The Forge

Jeff, Karen & Bob

Data Types

A small sampling:


Whole numbers. Can be from -2,147,483,648 to 2,147,483,647 and uses 32 bits.


Allow for decimals. Can be from -3.40282347E + 38 to 3.40282347E + 38 and use 32 bits.


True or false. Take up very little room - only 1 bit.

For more data types including:

char, unsigned char, byte, work, long, short, double, string, String & Array