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Embedded Systems

Content Delivery Networks (CDN)

This article explains Content Delivery Networks (CDNs), why content is distributed across geographically distributed servers, how CDN caching and content delivery work, and how CDNs bring frequently requested content closer to users and devices.

Multi-access Edge Computing (MEC)

This article explains Multi-access Edge Computing (MEC), how it brings computing resources closer to users and devices within the access network, how MEC works, and why it is useful for applications that require fast and local processing.

Polling vs. Interrupts

This article is intended for intermediate and advanced C programmers. It explains the two primary techniques used by embedded systems to detect and respond to hardware events, comparing their operation, advantages, limitations, and typical applications.

Hardware Timers vs. Software Timers

This article is intended for intermediate and advanced C programmers. It explains the differences between hardware and software timers, how each works, their advantages and limitations, and when each is the appropriate choice in embedded systems.

Can a Bare-Metal System Be Real-Time?

This article is intended for intermediate and advanced C programmers. It explains why bare-metal systems can be real-time systems, how they achieve deterministic behavior without an operating system, and the types of applications for which they are best suited.