Category Archives: Electronics

Basic ESD Protection

Posted on 2017-05-25 by Nigel VH

A recent thunderstorm that came through the area reminded me that I needed to work on some improvements to my surge suppression systems. I have a number of outdoor ethernet devices like security cameras with rather long runs of cable … Continue reading →

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Binary Addition Machine

Posted on 2017-02-14 by Nigel VH

A few years ago, the idea came to me to build a binary addition machine as a display piece. The logic would be constructed of SPDT (Single Pole Double Throw) relays, which reduces the number of relays and simplifies the … Continue reading →

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Surface Mount Stencils

Posted on 2017-02-14 by Nigel VH

I’ve been working on a project recently that calls for a pretty sizable board, with a fair number of parts on it (4″ x 10″ board size). Traditionally when I’ve assembled these boards, I’ve either used wire solder and soldered … Continue reading →

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Coin Teardown

Posted on 2016-11-29 by Nigel VH

Some time ago I backed a project called Coin that aimed to make a single card that could replace all of your other credit/debit cards. I thought the idea of having all my cards available without having to make room … Continue reading →

Posted in Electronics, Technology | 2 Comments

Surface Mount Toaster Oven

Posted on 2016-09-05 by Nigel VH

As part of my continued work on my Homebrew GPSDO, I’ve been working on a new circuit board design to both add new functionality, improve existing functionality, and consolidate a bunch of the parts in the last revision, onto a … Continue reading →

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