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

Tuesday, December 6, 2022

Can I Have Your Autograph?

I'm finally done with Chapter 4 on Building Test Jigs, after completing the photo editing and Visio illustrations for three examples——one on test jig with enclosure, another using Arduino and the last with Raspberry Pi.

Here's a two-page sample for the first example:

After weighing in on the options, I decided to skip the next chapter and go on to writing Chapter 6 instead, on the subject of Signature Analysis. No, not the kind of handwriting signature (though I will touch on this aspect pertaining to TCM practices), but the kind related to electronic circuits.

I will put out a sample or two just for preview as I go along. And I'm sure my readers are going to get a kick out of it as much as I do writing about it. Hopefully I will complete this chapter before the festive bug bites me...


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