The common i2c bus (or TWI, or whatever non-trademarked name your manufacturer is using) is fairly easy to design with. It’s just a couple of wires, right? Well, mostly… You also need a pair of pull-up resistors.

If you prowl web sites that discuss embedded hardware and operating systems, you will occasionally find people complaining that Linux is not a “real-time operating system”. What do they mean by that? Why is it important? Why do we …

Earlier today I was working on a new post – and yes, I’m actually writing new content, and not just about Hugo! But that’s not the point. The point is, I came across an annoyance, and managed to also find a …

When we think of a blog, we typically think of the content – but in practice, we also have to worry about the taxonomies. Tags and Categories, oh my! These are hard enough to manage with a live system like WordPress; how do we do …

While Hugo is overall quite excellent, it does have a few warts, and one in particular was a problem for this site. Sometimes I write fairly long articles, and they don’t really lend themselves well to being a single huge …

I’m currently planning the installation of a structured wiring cabinet, and came across things I didn’t know – like the fact that keystone fiber jacks can be made from a variety of materials. This apparently matters.

If you’ve ever set up DNS forwarding on a Ubiquiti EdgeRouter and have your own internal authoritative DNS servers, then you may have noticed that it doesn’t quite work right. If you look up the hostname of your router via the …

Code verbosity is one of those topics that everyone has an opinion on – and mine will probably differ from yours. One of my particular quirks is that I like my code to fit in 80 columns wherever possible (or 132 on some …

I have an older iMac in my kitchen with a keyboard that’s on its last legs. Some of the keys don’t even work anymore, and it’s an exercise in frustration to use. This evening I tried to plug in an older aluminum keyboard, and it …

I’m mainly looking at OpenHAB for support of the advanced functionality in the HomeSeer HS-WD100+ in-wall dimmers. Specifically, they have multi-tap functionality supporting four commands in addition to the generic On/Off …

I’m in the process of evaluating alternative solutions to the Wink (I really want the Central Scene functionality for the HomeSeer Switches!). After a brief foray into HomeAssistant (which doesn’t support it either), I decided to …