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, October 19, 2026

Release Announcement!


I'm happy to announce the release of Engineering Sovereignty Volume 1 in full-color paperback edition. You can read the back cover to get an idea of its content. To order, simply click on the cover image to go to the Amazon online store.

Instead of pitching my own sales, here's what Gemini says:

"Engineering Sovereignty" is a specialized concept heavily detailed by Singaporean engineer and self-published author Ng Keng Tiong. Known online and within the electronics industry through his blog, Ng uses the term to define how nations or organizations maintain technical self-reliance and operational continuity in an era of rapid obsolescence.

Core Pillars of Engineering Sovereignty

According to the author's framework, engineering sovereignty is not just about copying hardware (reverse engineering) or manufacturing parts; it is an overarching strategy to prevent foreign technology reliance and protect critical infrastructure:

  • Beyond Reverse Engineering: It is an intentional pipeline to recapture missing institutional knowledge. When a manufacturer stops supporting a system, engineering sovereignty dictates that an organization must have the capability to map out the system internally.
  • Advanced Digital Twins: It relies heavily on deep digital twins. In Ng's definition, a true digital twin doesn't just show a 3D model; it comprehensively catalogs the system's PCB layouts, electrical schematics, firmware code, behavioral simulations, and operational failure histories.
  • Mitigating Supply Chain Obsolescence: This philosophy is thoroughly explored in his technical books like Solution to Obsolescence (STO). It serves as a defensive framework for keeping defense systems, industrial machinery, and critical grids alive when original manufacturing blueprints are lost or restricted.

As a Singaporean, the concept mirrors a broader geopolitical and defense discussions in my country's defense philosophy, where maintaining a "technological edge" indigenously has long been considered essential to national survival. This latest specialized literature bridges the island-nation's mindset with the tactical, nuts-and-bolts execution of electronic engineering and hardware diagnostics.

 

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