Marcio Cunha

Technical Articles

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

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
HardwareAutomação•4 min

Fault Isolation in Modbus RTU Communication Buses Using Optical Barriers

Learn how to protect industrial Modbus RTU networks using optical barriers to prevent catastrophic damage from voltage surges, ground loops, and electromagnetic noise.

HardwareDevOps•4 min

Energy Consumption Monitoring in Homelab Servers with I2C Sensors and Prometheus Collection

Learn how to build a precise power monitoring system for home servers using I2C sensors, microcontrollers, and Prometheus to track costs and efficiency.

IAHardware•4 min

Language Model Inference Implementation at the Edge with Neural Offloading

Learn how to run large language models directly on edge devices using offloading techniques to dedicated neural accelerators, ensuring low latency and data privacy.

HardwareEletrônica•4 min

Standardizing Power Management Interfaces in Wireless Peripheral Devices via Custom Kernel Drivers

Learn how to build custom kernel drivers to standardize power management in heterogeneous wireless peripherals. A deep dive into battery saving and hardware efficiency.

HardwareEngenharia•4 min

Context Switch Impact Analysis of Heterogeneous Processors on I/O Thread Latency

Explore how I/O thread migration between performance and efficiency cores in heterogeneous processors impacts operational latency and bus bottlenecks.

HardwareDevOps•4 min

Dynamic Memory Allocation Management in Homelab Servers with High-Frequency Paging Monitoring

Learn how to optimize RAM usage in home servers using continuous monitoring tools and real-time adjustments. Prevent performance bottlenecks caused by excessive data swapping between physical memory and disk storage.

EletrônicaHardware•5 min

Electromagnetic Interference Mitigation in Continuous Integration Environments with Galvanic Isolation of Test Interfaces

Learn how galvanic isolation resolves intermittent failures in automated test benches, eliminating electrical noise in hardware continuous integration.

HardwareEletrônica•4 min

Embedded Bus Instrumentation with High-Frequency Signal Capture and FPGA-Based Logic Analyzers

Learn how to design high-performance instrumentation systems using FPGAs to capture and decode high-speed embedded communication protocols.

HardwareRedes•6 min

Implementing Power Redundancy in Homelab Servers with SNMP and UPS

Learn how to protect your home laboratory against power outages using redundant power supplies, intelligent UPS batteries, and SNMP monitoring for automated safe shutdowns.

HardwareAutomação•5 min

Dynamic Thermal Management in Homelab Servers with Custom PWM Controllers

Learn how to build an intelligent cooling control system for your home laboratory using microcontrollers and pulse width modulation to reduce noise and temperature.