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, July 20, 2026

The Final Lap...


I'm into the final lap of writing my seventh engineering book—the three R's of Solutions to Obsolescence. These include Appendices (Comparison Matrices, Glossary of Terms, and Strategy Selection Card), Acknowledgements, and a comprehensive Index for better reference.

I intend to just release a full-color, hard cover edition. It will not be as "affordable" as the other engineering books but I will keep the price below $100, if possible. Color printed books are not cheap to begin with, and for Amazon KDP it can come up to 3-4 times that of plain black and white print edition.

But I assure you, my readers, that it will be worth every cent to get a copy of this book when it is ready. The amount of work put in to ensure quality content and images are definitely not mesasured in dollars and cents.

I look forward to your support, through purchase and by word-of-mouth recommendations. It's been a grilling yet rewarding journey for the past couple of months. I believe there will be more engineering books to follow, if things work out for my collaborations with ASTER and the Singapore Army.

So stay tune for new updates.

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