To My Readers



If this is the first time you're visiting my blog, thank you. Whether you're interested or just curious to find out about PCB reverse engineering (PCB-RE), I hope you'll find something useful here.

This blog contains many snippets of the content in my books to provide a more detailed overall sampling for my would-be readers to be better informed before making the purchase. Of course, the book contains more photos and nice illustrations, as evidence from its cover page. Hopefully, this online trailer version will whet your appetite enough to want to get a copy for yourself.

Top Review

I started doing component level repair of electronics with (and without) schematics more than 40 years ago, which activity often involves reverse-engineering of printed circuit boards. Although over the years my technical interests have shifted into particle beam instrumentation, electron microscopy, and focused ion beam technology fields, till this day——and more often than not——PCB repairs have returned multiple multi-million-dollar accelerators, FIB, and SEM instruments back to operation, delivering great satisfaction and some profit.

Many of the methods described by Keng Tiong in great details are similar to the approaches I've developed, but some of the techniques are different, and as effective and useful as efficient and practical. Systematic approach and collection of useful information presented in his books are not only invaluable for a novice approaching PCB-level reverse engineering, but also very interesting reading and hands-on reference for professionals.

Focus on reverse engineering instead of original design provides unique perspective into workings of electronics, and in my opinion books by Keng Tiong (I've got all three of them) are must-read for anybody trying to develop good understanding of electronics——together with writings by Paul Horowitz and Winfield Hill, Phil Hobbs, Jim Williams, Bob Pease, Howard Johnson and Martin Graham, Sam Goldwasser, and other world's top electronics experts.

Valery Ray
Particle Beam Systems Technologist

Monday, September 28, 2026

Why Engineering Sovereignty?


The term "Engineering Sovereignty" may sound ambitious, perhaps even grandiose. But it is a phrase born of necessity, reflecting a reality already being grappled with by governments, defense organizations, and industry leaders. Sovereignty has historically been a political and territorial concept. Today, however, its meaning is extending into the technological domain. 

An organization that cannot understand the technologies it depends on cannot truly control its own future. An organization that cannot regenerate its own engineering knowledge becomes a hostage to external suppliers, its fate determined by forces outside its walls. An organization that cannot sustain its critical technologies will see its operational readiness erode, no matter how advanced those technologies once were. 

Engineering Sovereignty, therefore, is not a synonym for reverse engineering. It is not simply a guide to remanufacturing, a blueprint for digital twins, or a manual for using AI. It is a far more profound and holistic concept. It is the disciplined, systematic cultivation of enduring engineering capability—the art and science of ensuring that an organization can think for itself, solve its own problems, and safeguard its own technological future.

 

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