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Technical Articles

Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.

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EletrônicaHardware•5 min

Buck vs Boost Converters: How Electronic Circuits Step Down or Step Up DC Voltages

Explore the fundamental principles behind buck and boost converters. Learn how semiconductors, inductors, and PWM efficiently manage electrical energy in modern hardware systems.

HardwareEletrônica•3 min

How the Data Bus Connects CPU, Memory, and Peripherals in a Computer

Explore how electrical traces and complex protocols form the computer data bus, allowing the CPU to communicate with RAM and GPUs in milliseconds.

RedesHardware•4 min

Cat5e vs Cat6 vs Cat6A Cabling: Choosing for Network Infrastructure

Explore the practical technical differences between Cat5e, Cat6, and Cat6A cables to design a structured network infrastructure capable of handling high data rates and avoiding bottlenecks.

RedesHardware•5 min

Wi-Fi Roaming: How Phones and Laptops Switch Access Points Without Dropping

Learn how Wi-Fi roaming works, the technology that allows smartphones and laptops to switch between different access points without interrupting network connectivity.

RedesHardware•5 min

PoE Budget: How to Calculate Switch Power Capacity for Cameras and Access Points

Learn how to calculate the PoE power budget of your network switches to reliably power security cameras, access points, and IP phones without failures.

RedesHardware•5 min

802.1Q VLAN Tagging: How Multiple Virtual Networks Share the Same Cable

Learn how the IEEE 802.1Q standard injects tags into data packets to allow dozens of isolated virtual networks to share a single physical cable without interference.

RedesHardware•5 min

LACP Explained: How to Combine Network Ports for Higher Redundancy and Capacity

Learn how the LACP protocol unifies multiple physical network connections into a single logical link, ensuring fault tolerance and greater bandwidth for servers and switches.

HardwareArquitetura•4 min

Secure Enclave: Hardware Isolation, Biometrics, and Cryptography in Apple Devices

Learn how the Secure Enclave uses an isolated processor and hardware-based cryptography to protect vital data like Apple Pay keys, passwords, and biometrics against sophisticated attacks.

Hardware•5 min

BitLocker, FileVault, and LUKS: How Windows, macOS, and Linux Encrypt Disks in Practice

Learn how BitLocker, FileVault, and Linux LUKS protect your computer data at the hardware and software levels. Understand the trade-offs of performance, recovery, and architecture for each system.

Hardware•5 min

TPM 2.0 Explained: How the Security Chip Protects Keys, Disks, and Credentials

Learn how the TPM 2.0 operates in practice to shield operating systems against physical and virtual threats. Discover the mechanics behind secure cryptographic key and credential storage.