lcamtuf   

@[email protected]
11.9K Followers
304 Following
488 Posts
To Be Filled By O.E.M.
Homepagehttps://lcamtuf.coredump.cx
Substackhttps://lcamtuf.substack.com/archive
Bookhttps://lcamtuf.coredump.cx/electronics/
lcamtuf   3d ago
Fun fact: there are about 2 grams of elemental iron in the blood of an average adult. A typical medieval sword is about 1 kg. So, if you want to forge a sword out of the blood of slain enemies, you need to make about 500 enemies.
lcamtuf   5d ago

The cat's out of the bag! My latest book, "The Secret Life of Circuits", is available in early access:

https://lcamtuf.coredump.cx/blog/secret/

It's the reference I wish I had when I was starting out. Electrons to embedded systems, 290+ color illustrations and 420+ pages of well-explained theory.

The Secret Life of Circuits

Many of you follow this blog because of the regular features about electronic circuit design.

lcamtuf   Apr 12

Audio toy with a hand crank. I kinda wanted to recreate the experience of "scrubbing" analog audio on a turntable or a tape recorder.

Updated article (outlining another design first): https://lcamtuf.substack.com/p/mcu-land-part-4-building-an-audio

Source code: https://lcamtuf.coredump.cx/soft/embedded/playback2.tgz

lcamtuf   Mar 25
Look, the 1950s just hit different
lcamtuf   Mar 23

Techies: with IPv6, we'll never run out of addresses!

Also techies:

lcamtuf   Mar 22
nothackingMar 22
Text drawing with my AVR video transmitter:
lcamtuf   Mar 22
hackadayMar 22

Analog Video From an 8-Bit Microcontroller

https://hackaday.com/2026/03/21/analog-video-from-an-8-bit-microcontroller/

Analog Video From An 8-Bit Microcontroller

Although the CRT has largely disappeared from our everyday lives, there was a decades-long timeframe when this was effectively the only display available. It’s an analog display for an analog…

Hackaday
lcamtuf   Mar 19
Conway's Game of Life, in real life: http://lcamtuf.coredump.cx/blog/conway
Conway's Game of Life, in real life

When life gives you switches...

Show threadlcamtuf   Mar 17
lcamtuf   Mar 17
Reminder: this is what smartphones took from you