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At Barr Group, our mission is to help as many embedded systems engineers as possible make their products safer, more reliable and more secure. In addition to providing product design, consulting, and training services, we encourage our engineers to share their technical expertise by writing and teaching. We hope that you will learn something from these free how-to articles. Please respect the copyright notices at the bottom of each page.

Introduction to Rate Monotonic Scheduling

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If you've got a lot of real-time tasks and tight deadlines, what's the best way to prioritize them? A technique called RMA guides the way.

Security and the IoT

How to Allocate Dynamic Memory Safely

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Whether you're using only static memory, a simple stack, or dynamic allocation on a heap, you have to proceed cautiously. Embedded programmers can't afford to ignore the risks inherent in memory utilization.

How to Protect Non-Volatile Data

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Unexpected power loss and software bugs can undermine the reliability of non-volatile data. Fortunately, there are various ways to make non-volatile data resilient to such corruption.

How to Improve Product Usability

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Product usability problems require the engineer to take off his engineering hat and think more like a user.

Response Timing for User Interfaces

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Proper timing in user interfaces often has more to do with the user's perception than with the actual passage of time.

How to Avoid Common Firmware Bugs

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Understanding software and hardware bugs in other embedded systems can help you identify, diagnose, and fix bugs in your own.

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