Electronics Design

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Pulse-powered current limiter

Hi, I am experimenting with white LED COBs and wanted to power them from a constant current source while still having t...
23 comments posted 4yrs
posted by bombald
23 comments posted 4yrs posted by bombald

Godamned 0603

I've got a board made that includes pads for some 0603 smds. How was I expected to know that 0603 is used for both impe...
94 comments posted 4yrs
posted by sylvia
94 comments posted 4yrs posted by sylvia

Mystery kiosk (?)

Obviously has an LCD display, up top. And, likely a smaller one down low (likely used as a touch panel). The two black...
2 comments posted 4yrs
posted by blockedofcourse
2 comments posted 4yrs posted by blockedofcourse

THz waveguides

THz waveguides https://www.sciencedaily.com/releases/2022/02/220215102847.htm pdf: https://www.nature.com/articles/s4146...
1 comments posted 4yrs
posted by pNaonStpealmtje
1 comments posted 4yrs posted by pNaonStpealmtje

AMD swallowed Xilinx - what now?

Does anyone know what to expect? How did the Intel acquisition influence Altera for those who use their parts? Not that...
4 comments posted 4yrs
posted by dp
4 comments posted 4yrs posted by dp

OT: Human neurons and dmath

Human neurons and math https://www.sciencedaily.com/releases/2022/02/220214121241.htm
3 comments posted 4yrs
posted by pNaonStpealmtje
3 comments posted 4yrs posted by pNaonStpealmtje

Phil's 3rd edition

Amazon preorder arrived just now. Looks great. Ideal size and binding/paper/print quality, which is unusual for books t...
8 comments posted 4yrs
posted by jmiles
8 comments posted 4yrs posted by jmiles

Quantisize this!

From PBS about Quantum Physics.
1 comments posted 4yrs
posted by DecadentLinuxUserNumeroUno
1 comments posted 4yrs posted by DecadentLinuxUserNumeroUno

OT: Transitory relief from inflation?

Dear Mr. President: When can we get some transitory relief from permanent inflation? https://nypost.com/2022/02/10/joe-...
49 comments posted 4yrs
posted by edward.ming.lee
49 comments posted 4yrs posted by edward.ming.lee

CANCEL FACEBOOK AND STACK OVERFLOW

HERE IS HOW YOU CANCEL FACEBOOK: 1. REMOVE MOST OF THE CONTENT. 2. REPLACE CONTENT WITH SILLY CONTENT. 3. CHANGE QUESTI...
6 comments posted 4yrs
posted by skybuck2000
6 comments posted 4yrs posted by skybuck2000

OT: How life came to Earth

How life came to Earth ? https://www.sciencedaily.com/releases/2022/02/220210125828.htm quantum tunneling?
248 comments posted 4yrs
posted by pNaonStpealmtje
248 comments posted 4yrs posted by pNaonStpealmtje

Trucker Preferential Treatment

I believe there are places that have said it is ok to run over protesters if they are blocking major highways. By corol...
76 comments posted 4yrs
posted by gnuarm.deletethisbit
76 comments posted 4yrs posted by gnuarm.deletethisbit

Optics question (Fresnel equations)

Hi, I'm building an optical instrument that points a 850nm LED at a boundary between two materials at an oblique angle,...
6 comments posted 4yrs
posted by news
6 comments posted 4yrs posted by news