Category Archives: Random

Brothers 2019

The weather again chose not to cooperate this year for our regular venture down to Black Rock for the UW rocketry class. However instead of cancelling altogether, we were able to adjust our plans and visit a launch site in … Continue reading

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New RNG Revision

Speaking with a few folks I chat with regularly there ended up being some renewed demand for the Random Number Generator USB Sticks I had made a few years ago. I didn’t have any of the original ones remaining, so … Continue reading

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Chain Mail Experiment

Medieval armor is an interesting subject, and while I don’t have much interest in acquiring any or joining in for any re-enactments, I was curious about how it is made, and what it behaves like. With a bit of scrap … Continue reading

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Testing Self Clinching Standoffs

I’ve recently been looking at better ways to mount a PCB inside a metal enclosure. Primarily I’m interested in ways that don’t require screws protruding from the bottom. I found these self clinching standoffs on Fastenal’s web site, and figured … 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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