henfred.me: Henfre's Personal Webspace

  • Caribbean Cruise: Winter 2023

    Caribbean Cruise: Winter 2023

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    Hello world! It’s been some time because the whole family’s been out of the country on a luxury cruise. I’m not dead. We left on November 28th on the Norwegian Pearl and returned on December 9th. Overall, it was a very positive experience even though we had a few extra guests that we didn’t plan […]

  • From SBC to Mini PC

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    Hardware matters, but software matters so much more. Easy as Pi For years software support, documentation, and the surrounding community of hobbyists made the Raspberry Pi outstandingly popular to the point of techno-culture phenomenon. The Raspberry Pi 5 was released earlier this year, but supply issues continue such that a casual purchase today won’t be […]

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  • Not a Car Guy

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    I drive a red 2018 Kia Soul. It features an inline-four flexible grade gasoline internal combustion engine. The design has recent improvements like variable valve timing and direct injection, but the design is decidedly static compared to more exotic engine designs like small forced induction (turbo charged) and hybrid designs. My living arrangements cannot support […]

  • Are Snails Bugs?

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    What follows is a complete list of all animals I have observed from my window: It appears that animals fall into three distinct categories: feathered, hairy, and neither. The snail poses the biggest challenge because it has no legs. It was also the only animal without feathers that lays eggs in my list for almost […]

  • Planned Maintenance

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    This site will become unavailable about 12 hours from the time of this post and for a period of about 12 hours while servers are relocated to a new office. Please click here if you’d like to view the event in your local timezone. EDIT: Maintenance completed! Servers are now hosted in New York!

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  • Pixel Watch 2

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    I set some money on fire and went for a Pixel 8 Pro promotion. For a bonus $150 trade-in value on my last generation Pixel 7 Pro, it worked out that I was spending $450 to get an incremental upgrade to the next phone plus a Pixel Watch 2, normally $350. The upgrade also provided […]

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  • Scientific Computing with QEMU on Raspberry Pi

    Scientific Computing with QEMU on Raspberry Pi

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    Here’s the deal. Let’s say you’ve heard of BOINC–a tool for donating CPU time to distributed computing projects, typically for the advancement of the sciences. Big names in distributed computing applications like Rosetta, MilkyWay, Climate Prediction, and World Community Grid hunger for your CPU cycles in exchange for the promise of advancing our understanding of […]

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  • Remember: Make Time for You

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    You have to take care of you. You are the only you that you will have. We might make friends along the way, and they are a great comfort in this rough world, but ultimate responsibility lies with number one. You are that number one. The point of view. The singularity. As engineers, we experience […]

  • Fall 2023

    Fall 2023

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    Yesterday was the first big temperature drop to the area, enough where I felt the first shivers of the approaching chilly season. We don’t experience a proper fall here. Mainly, we have a hot and wet vs a cold and dry season. This is one of the less desirable traits of the area. When I’m […]

  • 3D Printer Mistakes: Things I Wish I Knew 6 Months Ago

    3D Printer Mistakes: Things I Wish I Knew 6 Months Ago

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    I love 3D printing! However, the love doesn’t come from the result. It comes from the journey, the tinkering, the wrenching and experimenting to find out what works. This article is about what doesn’t work. These were my (sometimes expensive) lessons learned, memorialized here for my better self-education, my bad memory, and just maybe for […]

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