Category Archives: Random

Growing Salt Crystals

Posted on 2023-01-21 by Nigel VH

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 →

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Geiger Counter Kit

Posted on 2022-08-24 by Nigel VH

I recently saw that the MightyOhm Geiger Counter kit was on sale, and decided it would be fun to pick up as a simple, fun kit. In terms of the kit itself, it was simple to assemble, and the instructions … Continue reading →

Posted in Electronics, Random, Weather | Leave a comment

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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Fully Desk Controller

Posted on 2021-09-06 by Nigel VH

Recently I picked up a second hand Fully brand sit/stand desk and modified it with a larger table top to replace my old sitting-only desk. Unfortunately it didn’t come with the memory controller, and trying to get it back to … Continue reading →

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Roomba Troubleshooting

Posted on 2021-02-25 by Nigel VH

I picked up a Roomba I7 last year with the automatic emptying Clean Base, and have very much enjoyed having it take care of some light vacuuming regularly to take care of the house. In general it has worked very … Continue reading →

Posted in Electronics, Random, Technology | 3 Comments