"Golioth is now a part of Canonical"
blog.golioth.io/golioth-is-n...
03.03.2026 18:56
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"Golioth is now a part of Canonical"
blog.golioth.io/golioth-is-n...
**Fooling Go's X.509 Certificate Verification**
New post on why verifying X.509 certificates in Go sometimes fails with seemingly identical CA certificates, and why different behavior in tools like OpenSSL further complicates the matter.
danielmangum.com/posts/foolin...
**Fooling Go's X.509 Certificate Verification**
New post on why verifying X.509 certificates in Go sometimes fails with seemingly identical CA certificates, and why different behavior in tools like OpenSSL further complicates the matter.
danielmangum.com/posts/foolin...
new blog post tomorrow.
TIL what Gems are, which is also an answer to your question.
writing your own presentation software so you can still do engineering while constantly forced to prepare slides.
fridays are for demos!
decided to add another race to the calendar on short notice. if you're running the Victoria Park Half Marathon in London feel free to reach out!
13 inch framework laptop.
new hardware day! @frame.work
let’s build something great this week!
fridays are for demos!
Grafana dashboard showing device metrics.
fun demo with @golioth.io + @tailscale.com + @influxdb.com + @grafana.bsky.social to route embedded device sensor data from anywhere in the world to my local machine.
let’s build something great this week!
first race of 2026 tomorrow!
Front of 3d printed camera lens cap.
Back of 3d printed camera lens cap.
compliant mechanisms are incredible.
fridays are for demos!
The Amp Hour is always good, but this episode with @chrisgammell.bsky.social and @ericmigi.com is truly excellent. They do a great job of articulating the challenges, trade-offs, and, ultimately, the joy of building consumer hardware products that you can call "done". Give it a listen!
Signy, a library for generating signed URLs on embedded devices, at number 12 on HackerNews.
good morning, orange site.
tonight I watched a norwegian man run up a hill at sub 6 min/mi pace... on skis.
the olympics are incredible.
let’s build something great this week!
that is its own type of demo, though one that almost certainly will be less appreciated by coworkers 🙃
fridays are for demos!
Resistors are easy, capacitors are bit harder, coils are 'magic', but with a bit of practice that magic becomes ritual and ritual should be at least reproducible to the point that the part becomes a manageable quantity.
this is an incredible quote in the comments.
My recent post "Making Ferrite Core Inductors at Home" at number 6 on HackerNews.
looks like we are doing the orange site this morning.
using solder to strip enamel from 28 AWG copper wire.
It's always kind of interesting to see people in very public influential leadership positions have extremely emotional reactions to competition and objectively minor critiques. Outside of it being textbook poor leadership, it also makes you wonder how they even make it through an average day.
happy nyc marathon registration day!
Image from post showing the ferrite loopstick antennas in the Regency TR-1 and Sony TR-55, two of the earliest AM transistor radios.
**Making Ferrite Core Inductors at Home**
New post in which I walk through how to make inductors, and how the construction of an inductor impacts its attributes, particularly in the case of using a core material with high magnetic permeability.
danielmangum.com/posts/making...
that’s not a cap, that’s a whole top hat.
my grandmother somewhat regularly pops up on LinkedIn and drops a comment on one of my blog posts to the effect of “I understood none of this, but I love you very much”, and I for one think that’s pretty freaking awesome.
