What is Variable Scope?
Variable Scope Variable scope relates to visibility, the larger the scope, the more portions of a program that will have visibility of that variable. In general you want to limit …
Month: November 2016
Variable Data Types for Arduino/C++
Data Types in Arduino/C++ You’ll find yourself likely using the same three or four data types in most of your programs but it’s important to at least be aware of …
Popular Variable Naming Conventions
Naming Conventions Looking through various programmers’ code you may notice variables with different styles, I’m referring more to the use of lower and uppercase rather than how variable names are …
What is a Variable?
Back to Basics Simply put, a variable is a representation of a value that can change. One of the most important elements of software is a variable. Anyone familiar with …
What is a bit, nibble or Byte?
First, Back to Basics To understand bits, nibbles and bytes we have to revisit the idea of number systems. Remember in elementary school when you had to break numbers into …
Quality of Off-Brand Arduino Uno Boards
With Arduino Uno R3 currently at $24.95 it’s hard not to wonder if those $10 off brands are worth a try. A few years ago I bought a SparkFun RedBoard …