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

Saturday, December 25, 2021

What is Christmas to You?

People all over the world celebrate Christmas, but this special season means different things to different people. Even so, there is something magical and magnetic about Christmas that draws people to it. As the year comes to a close and everyone put aside their work and worries, there is this anticipation of something good, something better that will perhaps wash away all the accumulated unhappiness and unpleasant experiences, and bring about a new beginning with new promises.

Yes, there is something about Christmas that seems to bring joy to the weary spirit, a kind of love that warms and lifts the heavy-hearted, and a renewed hope that puts a smile on the tear-stained face. It could be the festive mood, the colorful decorations, the angelic carol voices, and the gifts that you receive.

More importantly, Christmas is not just a holiday or an event to be celebrated. Christmas is really about a Person (not Santa Claus, of course!) whose name is imprinted in the very word itself. Give it some thought and ponder the wonder of its significance. It may just make this Christmas different and deeply meaningful than what you have ever known...


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