Posts by Paul R
Sequential Build-Up (SBU) Manufacturing Technology in HDI PCB
Learn about Sequential Build-Up (SBU) technology in HDI PCB manufacturing, including layer-by-layer fabrication, microvia reliability, common challenges, and best practices for improving yield and performance.
ESP32-Based DIY Smart Environmental Monitoring System
Build your own DIY smart environmental monitoring system using ESP32. Learn step-by-step how to connect sensors, program firmware, and design a PCB for reliable IoT data collection.
How to Reverse Engineer a PCB
Learn how to reverse engineer a PCB using a professional, ethical 13-step workflow. A detailed guide for engineers and businesses covering imaging, schematics, validation, and manufacturing readiness.
How to Use ESP32 Dual Core with Arduino IDE
Learn how to leverage the ESP32 dual-core architecture in Arduino IDE. Explore task distribution, multitasking tips, shared resource management, and practical debugging techniques for responsive and scalable embedded projects.