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Written by Elecia White.   The first thing that most people do when getting a new board is to blink an LED. Embedded engineers treat it as though it is the simplest, most basic operation. We call it “hello world” to show how friendly and software-similar it is.   Blinking an LED implies a working cross compiler and a programming tool, not your run of the mill high-level software concepts at all. Sure, a software developer may have a compiler (or at least an interpreter) b ...