Electronics Design

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Re: more X-rays Silvertel PoE Supply

> On a sunny day (Wed, 02 Oct 2024 07:45:04 -0700) it happened john larkin > snipped-for-privacy@gct.com wrote in snipp...
6 comments posted 1yr
posted by bill.sloman
6 comments posted 1yr posted by bill.sloman

Re: "Right to Repair" vs FRUs

On Tue, 1 Oct 2024 23:43:30 -0700, Don Y snipped-for-privacy@foo.invalid wrote: >Is it safe to assume that any Right-to...
6 comments posted 1yr
posted by JL
6 comments posted 1yr posted by JL

Looking for turn-key BMS system

Hi One of my clients is looking for replacing existing HW, 2 200Wh battery modules, which each has a BMS controller, th...
7 comments posted 1yr
posted by klauskvik
7 comments posted 1yr posted by klauskvik

9W LED inrush current

Does anyone have a figure for the switch-on inrush current of a typical 9W LED bulb? Preferably for 230/240V.
4 comments posted 1yr
posted by Pimpom
4 comments posted 1yr posted by Pimpom

more X-rays Silvertel PoE Supply

https://www.dropbox.com/scl/fo/s6wfz2xtdyd6tv32tq3fp/AET6J4oF84HG2hJMeST6F-E?rlkey=acyvuv4z0h2kg0x97azbed8uo&dl=0
25 comments posted 1yr
posted by jl
25 comments posted 1yr posted by jl

corn

Corn in the husk. Microwave at 4 minutes per ear. Take it out and chop off the big end. Squeeze the little end and it w...
4 comments posted 1yr
posted by JL
4 comments posted 1yr posted by JL

RF Metrology

Greetings, gentlemen, I bought one of those TinySA Ultras recently and have spent some time testing it today. I have to...
18 comments posted 1yr
posted by cd
18 comments posted 1yr posted by cd

Re: Duplicate identifiers in a single namespace

> How does (e.g., Windows) tolerate/differentiate between > multiple *identical* identifiers in a given namespace/conte...
11 comments posted 1yr
posted by bill.sloman
11 comments posted 1yr posted by bill.sloman

power supply discharge

Given a benchtop power supply, you can turn the voltage up and then down, and it goes down. Most have a substantial amo...
67 comments posted 1yr
posted by JL
67 comments posted 1yr posted by JL

no fan

I can't find anybody who makes a PoE powered fan. Lots of USB but no PoE. That's outrageous.
1 comments posted 1yr
posted by jl
1 comments posted 1yr posted by jl
75 comments posted 1yr
posted by jl
75 comments posted 1yr posted by jl

Gah! Data sheets.

I was looking at building a remote controlled volume control for use at home. Probably won't happen, but I came across...
3 comments posted 1yr
posted by sylvia
3 comments posted 1yr posted by sylvia

Is anybody using NE521 comparators?

If the difference between both inputs is not a least 50 mV the output remain at about 1.5 or 2V instead of beeing close...
12 comments posted 1yr
posted by coulon
12 comments posted 1yr posted by coulon

nice STEP viewer

https://3dviewer.net No registration, no hassles, includes measurements.
12 comments posted 1yr
posted by jl
12 comments posted 1yr posted by jl