Category Archives: Electronics

2017 Balloon Launch

This last weekend I went over with the class from UW and helped out with the annual high altitude balloon launch. I flew a position tracking payload, as well as a camera that got some pretty nice photos. Check out … Continue reading

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Basic ESD Protection

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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Surface Mount Stencils

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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Binary Addition Machine

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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Coin Teardown

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

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