I try to organize the blog posts here into categories.
This is such a wide field, but I primarily write about just a few topics: Linux, reliability, classic ops (sysadmin), Raspberry Pi, small electronics projects, neat command line tricks, open source projects I'm authoring, etc. I typically do not write about work projects.
DIY, instructions, small documented projects
The Capture and recording of Photons
Amateur Radio, Ham Radio, RF nerdery, whatever you want to call it.