lcamtuf’s thing

lcamtuf’s thing

Home
Electronics 101
Math
Archive
About
A breakthrough in C/C++ dependency management
Are you a C or C++ programmer?
Apr 25
The Secret Life of Circuits
Many of you follow this blog because of the regular features about electronic circuit design.
Apr 16
Why I refrain from infosec punditry
If you know about my professional background, the most puzzling aspect of this Substack must be that I don’t use it to talk about my primary field of…
Apr 16

March 2026

Conway's Game of Life, in real life
When life gives you switches...
Mar 19
How much of HN is AI?
I have a complicated relationship with Hacker News. The site is the most important aggregator of geek news and a major source of traffic to this blog…
Mar 12

February 2026

Approximation game
The number 22/7 and the pigeon flock of Peter Gustav Lejeune Dirichlet.
Feb 28
Unreal numbers
Reals are really weird.
Feb 15
It's all a blur
Designing a slightly sneaky blur filter and then poking holes in it.
Feb 6

January 2026

You gotta think outside the hypercube
A closer look at the tesseract and the ways we can render it on the screen.
Jan 26
The toil of (blog) art
An image is worth $19.95.
Jan 18
See it with your lying ears
This blog has a history of answering questions that no one should be asking. Today, we continue that proud legacy.
Jan 10

December 2025

Cursed circuits #4: PLL frequency multiplier
How do you turn 1 MHz into 100 MHz? With magic, of course.
Dec 26, 2025
© 2026 lcamtuf · Publisher Privacy
Substack · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture