Hello World with Zephyr OS

Previously, I wrote an article on an Introduction to Zephyr , a popular RTOS ( the most popular RTOS?) in the embedded systems space today, and how industry leaders like Intel and Google see Zephyr as a future standard for PC Embedded Controllers (ECs). In the spirit of diving deeper, this article continues the thread on Zephyr, this time building a "hello, world"-style application and testing it…