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site iconJeff GeerlingModify

Creator, writer, and open-source contributor, specializes in application scalability and DevOps.
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This AI robot didn't replace my parent-child interactions

2026-02-13 23:00:00

When I saw Jensen Huang introduce the Reachy Mini at CES, I thought it was a gimmick. His keynote showed this little robot responding to human input, turning its head to look at a TODO list on the wall, sending emails, and turning drawings into architectural renderings with motion.

Reachy Mini robot controlled by Framework laptop

HuggingFace and Pollen robotics sent me a Reachy Mini to test, and, well, at least if you're looking to replicate that setup in the keynote, it's not, as Jensen put it, "utterly trivial now."

Exploring a Modern SMPTE 2110 Broadcast Truck With My Dad

2026-02-07 23:00:00

In October, my Dad and I got to go behind the scenes at two St. Louis Blues (NHL hockey) games, and observe the massive team effort involved in putting together a modern digital sports broadcast.

Broadcast production room in 45 Flex truck at a Blues game

I wanted to explore the timing and digital side of a modern SMPTE 2110 mobile unit, and my Dad has been involved in studio and live broadcast for decades, so he enjoyed the experience as the engineer not on duty!

The first good Raspberry Pi Laptop

2026-02-06 23:00:00

Ever since the Raspberry Pi Compute Module 5 was introduced, I wondered why nobody built a decent laptop chassis around it.

Argon ONE UP laptop with Raspberry Pi mug on desk

You could swap out a low spec CM5 for a higher spec, and get an instant computer upgrade. Or, assuming a CM6 comes out someday in the same form factor, the laptop chassis could get an entirely new life with that upgrade.

Ode to the AA Battery

2026-01-30 01:00:00

Recently this post from @Merocle caught my eye:

I'm fixing my iFixit soldering station. I haven't used it for a long time and the battery has gone overdischarge. I hope it will come back to life. Unfortunately, there are no replacements available for sale at the moment.

iFixit soldering hub torn down - used with permission

Devices with built-in rechargeable batteries have been bugging me a lot lately. It's convenient to have a device you can take with you and use anywhere. And with modern Li-ion cells, battery life is remarkable.

Recapping My 5 Year Old Studio Monitors

2026-01-27 07:05:00

A few weeks ago, I started hearing a slight crackle at the loudest parts of whenever sound was playing through my PreSonus Eris E3.5 speakers. It was very faint, but quite annoying, especially when editing my YouTube videos.

PreSonus Eris E3.5 speakers on workbench

For a few days I thought it could be a hearing problem (at this point in my life, every year brings a new health adventure...), but after testing my wired headphones and another small computer speaker on the same output, I determined the problem was, indeed, coming from the PreSonus speakers.

Migrating 13,000 Comments from Drupal to Hugo

2026-01-21 10:43:00

After 16 years on the LAMP stack, I finished migrating this website from Drupal to Hugo a few weeks ago.

What's old is new, as this blog was originally built with Thingamablog, a Java-based Static Site Generator (SSG) I ran on my Mac to generate HTML and FTP it up to my first webserver (over 20 years ago!).

The main reason I moved from an SSG to Drupal was to add comments. I wanted my blog to have the same level of interactivity I had pre-Thingamablog, when I was (briefly) on Xanga.com.