A new guide today in the Adafruit Learning System: Blinking an LED with the Zephyr RTOS
There are lots of ways to make programming microcontrollers really easy – CircuitPython, MicroPython, and Arduino are all options to get your project up and running, even as a beginner programmer. But sometimes you don’t just need easy – you need beefy. When it’s time to break out the big guns, you might consider using an RTOS – a Real Time Operating System, sort of a very tiny version of what runs on your desktop or laptop computer, but one that’s built for single-chip microcontrollers like those on an Arduino or Feather board.
RTOSes can be big and complex, since they’re usually marketed toward corporate teams or very experienced freelancers. But they don’t have to be hard to learn! In this guide, we’ll be sticking to the basics – getting an LED up and running in an up-and-coming RTOS, Zephyr, which has been backed by the Linux Foundation, Intel, NXP, and many other powerful microcontroller companies.
You’ll learn how to:
- Install the Zephyr core on Mac OSX or Linux computers
- Install Zephyr’s custom management tool, West
- Test your setup with the RTOS’s built-in sample projects
- Create your own application folder
- Blink an LED on the Feather STM32F405 Express
- Start learning RTOS concepts for custom projects
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