Category Archives: Projects

3D Printer

Posted on 2014-08-28 by Nigel VH

Recently a friend of mine sent me a number of parts he had laying around to get me started on building a 3D printer. The parts he sent, plus some time, and a few parts I could buy would combine … Continue reading →

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Bending Acrylic

Posted on 2014-07-20 by Nigel VH

I’ve had a large 2000VA UPS here under my desk for some time, and it uses an external battery pack. The problem is, some time ago I lost the top half of the battery pack, so the batteries and the … Continue reading →

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Random Number Generator

Posted on 2014-07-09 by Nigel VH

I’ve always been interested in the idea of truly random phenomenon, and in particular, the quantum effects like avalanche noise that one can take advantage of to generate truly random data. Note that I say truly random, as compared to … Continue reading →

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IRIS Transmitter V1.2

Posted on 2014-06-07 by Nigel VH

I’ve been working on creating a new version of my IRIS Transmitter boards, which I use for high altitude balloon trackers. This was somewhat more of a re-architechture from the 1.0 and 1.1 revisions. Revision 1.2 brings a number of … Continue reading →

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2014 Balloons Launch

Posted on 2014-06-01 by Nigel VH

Launch happened the morning of Saturday, May 31st. We had two launches from Moses Lake, WA. We were successful in recovering both of the payload strings, and received good data throughout the flights. The first flight carried a number of … Continue reading →

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