Category Archives: Electronics

Air Quality Sensor

Posted on 2023-03-03 by Nigel VH

A couple years ago I cobbled together a couple of air quality sensors to give my family and I a better idea of the state of the air in and outside our home, particularly during what seems to be becoming … Continue reading →

Posted in Electronics, Projects, Weather | Leave a comment

GPS Device for NTP Servers

Posted on 2023-01-21 by Nigel VH

I’ve made a few posts over the years about using GPS devices for precision timekeeping for NTP Stratum 1 servers, and recently the topic came up again with some colleagues to potentially build another one. My previous builds have been … Continue reading →

Posted in Electronics, Projects, Technology | 1 Comment

Inexpensive Lightning Arrestor

Posted on 2023-01-07 by Nigel VH

I’ve recently been working on a project involving GPS, and wanted to find an inexpensive lightning arrestor. It needed to have DC pass through to power the active GPS antenna, it needed to be able to pass the roughly 1.6GHz … Continue reading →

Posted in Electronics, Ham Radio | Leave a comment

Automatic Transfer Switch

Posted on 2022-11-15 by Nigel VH

After a recent conversation with a friend regarding some datacenter equipment that had only a single power supply, I was curious about building a simple Automatic Transfer Switch (ATS) that would accept two separate AC inputs, and provide a redundant … Continue reading →

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Programmable Holiday Lights

Posted on 2022-10-30 by Nigel VH

I’m far from the only person to use addressable LED strips as holiday lights, so I won’t delve too deeply into the details. The project has been on my mind for a few years, as the annual endeavor to fix/install … Continue reading →

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