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Category Archives: Projects
Switch / Router Learning Platform
I’ve been interested for a while in playing with ethernet switching on a hardware level, and decided to put together a platform to play with routing and switching hardware with a Raspberry Pi compute module, and an ‘off the shelf’ … Continue reading
Posted in Electronics, Projects, Technology
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GPS Timing Over USB
I recently posted about building this GPS receiver for use in making Stratum 1 NTP servers, and through conversation with some friends, I was interested understanding the performance difference in timing the Pulse-Per-Second (PPS) signal via the hardware serial port, … Continue reading
Posted in Electronics, Projects, Technology
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Air Quality Sensor
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
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GPS Device for NTP Servers
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
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Growing Salt Crystals
I recently read an article about growing salt crystals and was impressed with the quality of growth they were able to achieve. It seemed like an interesting thing to try, and could add to my rocks and minerals collection. I … Continue reading
Posted in Projects, Random
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