Writing a Blinky Program: Difference between revisions

== Goal ==

A common practice whenever one wants to program with something new is to write a very simple "proof-of-concept" program. If you are learning a new language perhaps you want to write a program that prints "Hello, World!" to <code>stdout</code>, or if you are learning a new library you want to do something to that effect utilizing some basic feature of that library (such as sending a network packet over Ethernet from one computer to another saying a message like "Hello, World!"). In the case of an embedded system, the standard beginner program of choice is to write a "Blinky" program, that is, a program that turns an LED on the board on and off at a certain rate. <blockquote>'''Exercise'''

 

Why is printing "Hello, World!" not a good first program for an embedded device?</blockquote>