Electronics Design

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wind speed in Germany

in the center of the country, it's showing 1 or 0 MPH. Country average right now is maybe 2 or 3 MPH.
0 comments posted 1w
posted by jl
0 comments posted 1w posted by jl

So, what is it about freezers that's so appealing?

"...its fridges and freezers had been hacked and set to 50 degrees Celsius" And, why would a temperature controller for...
94 comments posted 1w
posted by blockedofcourse
94 comments posted 1w posted by blockedofcourse

Listen to the Machine; The Machine is All-Knowing

Ugh! Last year, while working on the design of my HVAC controller, it kept telling me the ACbrrr was broken (actually,...
20 comments posted 1w
posted by blockedofcourse
20 comments posted 1w posted by blockedofcourse

spooky

https://www.glenparkassociation.org/halloween-2026/ Actually, they carve those pumpkins with a Dremel.
3 comments posted 1w
posted by jl
3 comments posted 1w posted by jl

Strange Metcal problem

My trusty Metcal iron ( 20 yrs old) is causing problems. I have a small PCB with a PIC and a couple of LEDs. No power t...
47 comments posted 1w
posted by kraken.sankey
47 comments posted 1w posted by kraken.sankey

Internal DRAM structure

Ages ago (think 1Kx1 devices), you could see *where* individual cells were PHYSICALLY located on the photomicrograph. C...
6 comments posted 1w
posted by blockedofcourse
6 comments posted 1w posted by blockedofcourse

Arms race

From: "This year’s Cost of a Data Breach Report shows the cracks in the wall spreading. AI-driven attacks increased 56%...
73 comments posted 2w
posted by blockedofcourse
73 comments posted 2w posted by blockedofcourse

Road Runner

Inspired by _Coyote v. ACME_, I started (re)watching the Road Runner toons. The *first* lacks the "tongue sound" -- and...
0 comments posted 2w
posted by blockedofcourse
0 comments posted 2w posted by blockedofcourse

Arguing with an AI

I went looking to repurchase an item I'd previously purchased in Japan. Google kept telling me I was misspelling things...
5 comments posted 2w
posted by blockedofcourse
5 comments posted 2w posted by blockedofcourse

interesting voltage regulator

https://www.edn.com/automotive-sensor-power-supply-without-a-switching-pre-regulator/
26 comments posted 2w
posted by jl
26 comments posted 2w posted by jl

eBay, CL, etc. selling strategy

A non-profit -- with which I've been affiliated -- asked me for suggestions as to how to expand their income stream by...
7 comments posted 3w
posted by blockedofcourse
7 comments posted 3w posted by blockedofcourse

AI resistor picker

https://www.dropbox.com/scl/fi/46ayzr6kb9chfe455dq4u/14S560A.pdf?rlkey=qr2y7fkoyv2z29s0wbi7hbhha&raw=1 It's a minor nui...
32 comments posted 3w
posted by jl
32 comments posted 3w posted by jl