Technical Articles

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

All categories Arquitetura Automação Backend Carreira DevOps Eletrônica Engenharia Frontend Hardware IA Negócios Produtividade Redes

HardwareAutomação•3 min

How to cool NVMe SSDs with custom fan curves

Learn how to monitor NVMe SSD controller temperatures and write scripts to automatically adjust PWM fans, preventing thermal throttling and crashes.

AutomaçãoRedes•3 min

Zigbee and Wi-Fi on the same channel? How to stop interference

Learn how to plan your 2.4GHz RF spectrum to run Zigbee mesh networks and Wi-Fi together without packet loss or smart home automation lag.

EletrônicaHardware•4 min

Blown PoE Switch? How to test voltage on the bench

Learn how to perform electrical diagnostics on damaged Power over Ethernet ports using an oscilloscope and multimeter to identify surges and hidden bench failures.

RedesHardware•4 min

How to crimp and test CAT6A cables without packet loss

Learn the professional step-by-step process to crimp and certify CAT6A cables, preventing dreaded crosstalk and ensuring 10 Gigabit links without packet drops.

EletrônicaHardware•4 min

Distorted audio? How to equalize optical and coaxial outputs

Learn how jitter and sampling rate impact SPDIF digital audio interfaces and discover how to eliminate unwanted sound artifacts.

AutomaçãoEngenharia•4 min

Emergency stop failing? How to test safety relays

Learn how to validate redundant emergency stop circuits and safety relays in industrial panels, ensuring compliance with machinery standards and operator protection.

HardwareAutomação•4 min

Noisy server? How to create custom PWM curves with Python

Learn how to tame loud rack servers by creating custom fan curves integrating Python, IPMI, and real-time hard drive temperatures.

RedesHardware•4 min

IP camera offline? How to debug stuck RTSP streams on NVR

Is your IP camera dropping on the NVR? Learn how to diagnose TCP/UDP handshake issues in high-framerate video streams using FFmpeg command-line tools.

EletrônicaHardware•4 min

Weak ATX power supplies? How to measure voltage ripple

Learn how to use an AC-coupled oscilloscope to measure electrical noise and unwanted oscillations on computer power supply 12V rails.

RedesHardware•4 min

Matter failing? How to inspect Thread packets in mesh

Smart home devices dropping offline? Learn how to use IEEE 802.15.4 sniffers and spectrum analyzers to troubleshoot packet loss in Thread and Matter networks.