Category Archives: Technology

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

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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Inkplate Weather Display

Posted on 2022-10-19 by Nigel VH

A little while ago I ordered an Inkplate 10, which is a project pairing old Kindle E-Paper displays with ESP32 microcontrollers. Mine arrived a bit ago, and I’ve been looking for a good project to use it on. Recently we’ve … Continue reading →

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Measuring Mains Frequency

Posted on 2022-06-04 by Nigel VH

Mains frequency in North America is specified at a frequency of 60Hz, however in reality that number varies up and down a small amount as load and generation balance on the power grid. As generation exceeds load, physically the turbines … Continue reading →

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New Oscilloscope

Posted on 2022-02-25 by Nigel VH

For a number of years I’ve had some older analog oscilloscopes without storage capabilities, paired with a Saleae Logic, which has done well for my use cases in general, but there are some limitations. If a signal was faster than … Continue reading →

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