Electronics Design

Re: "Barrel" connectors

> >> Is there a better way? > > Cancel that.  A colleague has something in the mail to me, already! > Let us know if it...

9 comments posted 1yr

posted by lugnut808

9 comments posted 1yr posted by lugnut808

A research team has managed to coordinate 100 domestic air conditioners to stabilise the power grid in real time, as if they were a flexible power plant.

This is an automated translation (DeepL) of an article I found today; the original is in Spanish. There is an article i...

16 comments posted 1yr

posted by robin_listas

16 comments posted 1yr posted by robin_listas

web sites

The new trend is to have a few stories and repeat each one many times on one web page. https://www.planetanalog.com/

3 comments posted 1yr

posted by jl

3 comments posted 1yr posted by jl

Electric Car with No Charging Needed

Hello, I am just wondering if anyone here has see or heard about the guy is Africa that has "supposedly" invented a mag...

3 comments posted 1yr

posted by somebody

3 comments posted 1yr posted by somebody

Filter problem

I am using a common-cathode double triode as a balanced mixer to generate a frequency in the range 144 to 146 Mc/s fo a...

32 comments posted 1yr

posted by liz

32 comments posted 1yr posted by liz

no dc/dc converters

There seems to be a run on dc/dc converters...

20 comments posted 1yr

posted by jl

20 comments posted 1yr posted by jl

The Physics Behind the Spanish Blackout

The Physics Behind the Spanish Blackout, Bjorn Lomborg, Wall Street Journal, 3 June 2025 issue, page A13. Here is a gif...

143 comments posted 1yr

posted by joegwinn

143 comments posted 1yr posted by joegwinn

transmission line z

Suppose you have a slab of FR4 with copper on both sides, standard ebay stuff. Now shear off a long thin slice. That's...

48 comments posted 1yr

posted by jl

48 comments posted 1yr posted by jl

reset circuit

We have a box that has to never make any false outputs. Bad things could happen. Part of the fix is to have a solid pow...

9 comments posted 1yr

posted by jl

9 comments posted 1yr posted by jl

Re: Mid-span ethernet monitor

> I need a device that can sit midspan (at a "splice point") and monitor > an ethernet connection for integrity.  At th...

4 comments posted 1yr

posted by jrwalliker

4 comments posted 1yr posted by jrwalliker

Re: PDU tweeks

On Sun, 1 Jun 2025 12:59:38 -0700, Don Y snipped-for-privacy@foo.invalid wrote: >I'm thinking of replacing the "pigtail...

3 comments posted 1yr

posted by jl

3 comments posted 1yr posted by jl

best bumper sticker

Saw one on a truck in the Safeway parking lot. https://www.amazon.com/Ephemera-Inc-Rectangular-Religion-Sticker/dp/B015Y...

1 comments posted 1yr

posted by jl

1 comments posted 1yr posted by jl

Effect of colour in SSD heatsinks

I'm thinking of installing simple heatsinks on the SSDs in my desktop and other computers. The SSDs are seldom subjecte...

18 comments posted 1yr

posted by Pimpom

18 comments posted 1yr posted by Pimpom

2018A33 step up converter

I am experimenting with the 2018 step up converter. The circuit is available from aliexpress , most everywhere. There i...

12 comments posted 1yr

posted by albert

12 comments posted 1yr posted by albert

fast parts

https://www.teledyne-si.com/en-us/Products-and-Services_/Pages/Data-Converters,-Clocking,-Logic.aspx They don't seem to...

0 comments posted 1yr

posted by jl

0 comments posted 1yr posted by jl