A very early LCD
L
lcamtuf@infosec.exchange
@lcamtuf@infosec.exchange
Posts
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A very early LCD -
LED?LED? Nope, Chuck Testa!
An immediate successor of the nixie tube: a planar, 7-segment neon discharge ("Panaplex") display.
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I'm sorry, but some of you are in for a rude awakening.I'm sorry, but some of you are in for a rude awakening. If you don't work 9-9-6 on eliminating your role with AI, you're gonna be left behind
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Chip monk@catsalad I see far more capacitors than chips in there and now I'm very upset and would like a refund
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A nicer voltmeter clock: https://lcamtuf.coredump.cx/blog/voltmeter/A nicer voltmeter clock: https://lcamtuf.coredump.cx/blog/voltmeter/
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not too bad@Extelec there was some pain involved
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not too badnot too bad
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Before your Apple WatchBefore your Apple Watch
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This post did not contain any content.@fifonetworks desktop calculator (and yep, VFD)
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I'm just sitting here, watching all the accounts pushing the stock of Everspin Technologies (MRAM) higher based on the reasoning that "AI needs RAM", and I'm kinda torn between shaking my head and joining in because I guess you can't argue with resultsI'm just sitting here, watching all the accounts pushing the stock of Everspin Technologies (MRAM) higher based on the reasoning that "AI needs RAM", and I'm kinda torn between shaking my head and joining in because I guess you can't argue with results
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Random specimens from my calculator collection... you're looking at tens, maybe even hundreds of dollars@royal It's a Sharp with an abacus! https://www.ebay.com/itm/397694371636
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Random specimens from my calculator collection... you're looking at tens, maybe even hundreds of dollarsRandom specimens from my calculator collection... you're looking at tens, maybe even hundreds of dollars
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kids these dayskids these days
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The most challenging part of writing "The Secret Life of Circuits" wasn't the writing process.@PaulaMaddox You can order today, but hardcover copies will be shipping in September. PDF until then.
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The most challenging part of writing "The Secret Life of Circuits" wasn't the writing process.The most challenging part of writing "The Secret Life of Circuits" wasn't the writing process. It was crafting over 290 full-color illustrations of my own design.
I think they set the book apart. For a no-strings-attached sample chapter, check out: https://lcamtuf.coredump.cx/electronics/preview
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The coreutils Rust rewrite story is pretty funny.The coreutils Rust rewrite story is pretty funny.
Coreutils are tools like rm, mv, mkdir, etc. Unlike binutils, this isn't a fertile ground for memory safety bugs. But, the rewrite was completed, and in the spirit of progress, Canonical decided to switch.
But do you know what coreutils are a fertile ground for? Race conditions around file creation, deletion, permission setting, and so on. The original code accounted for decades of hard-learned lessons in that space. The Rust rewrite did not:
PS. I'm not dunking on Rust. It's just that... starting over from scratch has its hidden costs.
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Do you own books about electronics, but could never make it all click?Do you own books about electronics, but could never make it all click? Do you know what a resistor does, but still get stumped designing your own circuits?
If yes, I wrote "The Secret Life of Circuits" with you in mind. All chapters are available now: https://lcamtuf.coredump.cx/blog/secret/
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79 × 123 = ?79 × 123 = ?
