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Worth reading in Electronics Design

A good video about decoupling capacitors

https://www.youtube.com/watch?v=TpXvac1Y3h0 Summary: 4x 100nF is better than 100pF/1nF/10nF/100nF
46 comments posted 1yr
posted by klauskvik
46 comments posted 1yr posted by klauskvik

The Remarkable CSS555

The Remarkable CSS555 The CSS555 is a micropower programmable version of the 555 family of timer ICs. It operates at a...
37 comments posted 1yr
posted by g
37 comments posted 1yr posted by g

pulse decoder rotary dial telephone

Hi, I am looking for design a pulse decoder for old rotary dial telephone. I saw this: https://tinyurl.com/386mahsn I a...
4 comments posted 1yr
posted by l_umbe
4 comments posted 1yr posted by l_umbe

Will AI Kill This Group?

Fearless truth-seekers like Bill Sloman will have been delighted by the fact that I've been largely absent here of late...
63 comments posted 1yr
posted by cd6699
63 comments posted 1yr posted by cd6699

My first Kobo Touch reader died

https://photos.app.goo.gl/qWR1kVNFjcqDP8WT7 The battery, which is not the original, but a replacement bought from China...
14 comments posted 1yr
posted by robin_listas
14 comments posted 1yr posted by robin_listas

High resolution timer on STM32, tricks maybe

Hi I am working on an application where I need pico second timing in a power stage. My go to controller, the STM32G071...
27 comments posted 1yr
posted by klauskvik
27 comments posted 1yr posted by klauskvik

nice little FPGA

https://www.digikey.com/en/products/detail/amd/XCVM1402-2MLIVSVD1760/16720250 John Larkin Highland Tech Glen Canyon Desi...
40 comments posted 1yr
posted by jl
40 comments posted 1yr posted by jl

Hot tweezers

I’ve been doing some engineering changes on a batch of boards. They’re super low noise preamps for induction coil LF re...
9 comments posted 1yr
posted by pcdhSpamMeSenseless
9 comments posted 1yr posted by pcdhSpamMeSenseless

Re: Time-of-Day reference

On Tue, 26 Aug 2025 19:00:12 -0700, Don Y snipped-for-privacy@foo.That was fixed long ago but occasionally haunts me wh...
6 comments posted 1yr
posted by jeffl
6 comments posted 1yr posted by jeffl

was: oscilloscope tube display

Along the lines of DIY and microcontrollers, it might be profitable to approach this from another direction - where the...
0 comments posted 1yr
posted by legg
0 comments posted 1yr posted by legg

Re: Combining AC (mains) power sources

> If I want to supplement a particular source of AC/mains power with > other sources, what options are available? > > T...
8 comments posted 1yr
posted by sylvia
8 comments posted 1yr posted by sylvia

another wasted attenuator

https://www.dropbox.com/scl/fi/lv5cuqq2zav9r2ijlx6mr/Ex_20w_1.jpg?rlkey=ui15baw9lylvzfsscjen5szvq&raw=1...
14 comments posted 1yr
posted by jl
14 comments posted 1yr posted by jl

OT: Light lubricant

What kind of lubricant is used to reduce friction in light mechanical movements? For example, when I disassembled my Lo...
6 comments posted 1yr
posted by Pimpom
6 comments posted 1yr posted by Pimpom

more LTspice weirdness

I have a circuit that's all resistors, driven by an ideal pulsed current source. The resulting voltage droops seriously...
39 comments posted 1yr
posted by jl
39 comments posted 1yr posted by jl