Category Archives: Technology

Quick Fiber Optics Tip

Posted on 2023-10-14 by Nigel VH

I was recently having a conversation with a colleague about doing some troubleshooting on a fiber optic network connection he was working on, and was looking for a way to verify light was actually making it down the fiber. There … Continue reading →

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Customizing a Smart Plug

Posted on 2023-08-29 by Nigel VH

Recently some projects around the house have been in need of some better ‘home automation’ than a standard timer can provide, so I went looking for a smart plug that was either ‘dumb’ enough for my liking (didn’t tie you … Continue reading →

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Wired Ethernet on ESP32

Posted on 2023-08-29 by Nigel VH

I’ve used the ESP32 microcontrollers for a number of projects at this point, often using the built-in WiFi radio. However, there are use cases where WiFi may be less than ideal. In my case, I’m interested in the higher reliability … Continue reading →

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Simulating Full IPv4 Tables in the Lab

Posted on 2023-05-19 by Nigel VH

I’ve been doing some testing recently with different software based routers, and wanted to give them a test under real world conditions. The current full IPv4 table is larger than 900,000 routes and to get an idea of how well … Continue reading →

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GPS Timing Over USB

Posted on 2023-04-24 by Nigel VH

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 →

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