Marcio Cunha

Technical Articles

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

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HardwareEletrônica•4 min

Performance Analysis and System Metrics Collection in Embedded Devices via I2C and SPI Buses

Learn how to monitor performance and collect real-time system metrics using I2C and SPI communication buses in high-performance embedded projects.

EletrônicaHardware•4 min

Communication Bus Traffic Capture and Analysis with Logic Analyzers

Learn how to intercept, decode, and troubleshoot communication bus errors in electronic systems using bench logic analyzers and software tools.

EletrônicaAutomação•4 min

Diagnosis and Mitigation of Electromagnetic Interference in Industrial Sensor Circuits

Learn how to identify and mitigate electromagnetic noise affecting industrial sensor readings. Discover practical grounding, shielding, and filtering techniques to ensure high reliability on the factory floor.

HardwareEletrônica•4 min

Evolution of System Bus and Northbridge to Southbridge Communication

Explore how the communication between processor, memory, and peripherals shifted dramatically from classic architectures with Northbridge and Southbridge to modern integrated designs.

HardwareEletrônica•5 min

Dry Contact Sensor Reading and Analog Signal Transduction with Low-Power Microcontrollers

Learn how to design low-power circuits to monitor dry contacts and translate analog signals using microcontrollers. This guide covers hardware choices, signal conditioning, and battery-saving strategies.

HardwareEletrônica•3 min

Fault Diagnosis in High-Speed SPI Buses Using Logic Analyzers

Learn how to identify and resolve signal integrity and timing issues in fast SPI buses using benchtop logic analyzers.

EletrônicaHardware•4 min

Real-Time Digital Signal Processing Architectures for High-Frequency Sensors

Learn how to design real-time Digital Signal Processing architectures to capture and filter high-frequency sensor data in mission-critical embedded systems.

HardwareEletrônica•4 min

Functional Integrity Validation and Stress Testing for Digital Integrated Circuits with FPGA Verification Frameworks

Discover how FPGA-based frameworks transform the validation of digital integrated circuits, enabling real-time stress testing, early fault detection, and robustness assurance under extreme operating conditions.

RedesEletrônica•4 min

Harmonic Distortion Analysis and Active Filtering in Switching Power Supplies for Critical Network Equipment

Learn how harmonic distortion impacts switching power supplies in critical network equipment and explore the essential role of active filtering for electrical stability and uptime.

HardwareEletrônica•3 min

Signal Integrity Analysis and Impedance Matching in Custom Motherboards

Explore the physics of signal integrity and impedance matching in high-speed custom motherboards. Learn how to prevent destructive reflections and ensure rock-solid data transmission.