HDI PCB Design for AI Servers: What Beginners Need to Know
Introduction In 2023, I witnessed an AI server crash during peak processing hours. The GPU wasn’t faulty. The memory worked […]
Electric Scooter Controller PCB Troubleshooting: Fix Common Issues Fast
Introduction Last month, a customer brought me an electric scooter that simply refused to move—no throttle response, no error codes,
PCB Delamination: What Causes It and How to Prevent Board Failure
Introduction PCB delamination is one of those hidden failures that can ruin an entire production batch or cause expensive field
Heavy Copper PCB Manufacturing Process: Don’t Let Power Traces Burn Out
Introduction I’ve seen it happen too many times—a power supply board where thin copper traces literally melted under load. The heavy
Laptop Motherboard PCB Repair Guide: 7 Proven Ways to Stop Wasting Money
Introduction A laptop motherboard is the backbone of your device. When it fails, your laptop becomes a paperweight. But here’s
The Complete Rigid-Flex PCB Manufacturing Process: From Design to Assembly
Introduction Ever wondered how modern smartphones, wearables, and drones pack so much functionality into such compact designs? The secret lies
PCB Impedance Control Design Rules: A Practical Guide to Signal Integrity
Introduction I still remember the first time a client returned a high-speed communication board because data transmission kept failing at
What is Annular Ring in PCB Design? A Beginner’s Guide to Avoiding Costly Manufacturing Failures
Introduction Picture this: You’ve spent weeks designing your first PCB, sent it to manufacturing, and when the boards arrive, half
PCB Layer Stackup Design Guide for 4 Layer Board: A Practical Approach for Engineers
Introduction When I first started designing multilayer PCBs, I made a costly mistake with my 4-layer board stackup. I placed
Mobile Phone PCB Repair: A Practical Guide to Fixing Common Board Issues
Indroduction Mobile phone PCB repair involves diagnosing and fixing faults on a smartphone’s motherboard, such as short circuits, broken traces,