Electronics Design

Building an earth quake detector for local earth quake detection.

This conjecture for an earth quake detector is based on a real world observation I once did a day before a bigger earth...

1 comments posted 5yrs

posted by skybuck2000

1 comments posted 5yrs posted by skybuck2000

Re: Re-installed Windows 7 Ultimate (Integrated Edition) also Swap Channels fix for X-Fi Elite Pro 7.1 Soundblaster.txt

> Your contry seems very probey at present. For example: > https://www.abuseipdb.com/check/194.147.140.63 > But it's no...

0 comments posted 5yrs

posted by invalid

0 comments posted 5yrs posted by invalid

Anybode experience with Nitronic MINISTRIPZH?

Hello, we often use RG174 and RG178, but at the moment several hundred need to be prepared. A good stripping too would...

5 comments posted 5yrs

posted by bon

5 comments posted 5yrs posted by bon

Orcad Pspice purchase

Hi I am getting more consulting gigs, and now I may need to buy Orcad Pspice I cannot use free suites like LTSpice, sin...

86 comments posted 5yrs

posted by klauskvik

86 comments posted 5yrs posted by klauskvik

TCA0372 sub

I forgot the part, ST or NXP or something. Anybody remember?

37 comments posted 5yrs

posted by jlarkin

37 comments posted 5yrs posted by jlarkin

Old parts that blow the doors off newer ones

In the "Replacement for 741" thread, this came up, which seems like it deserves its own thread. > > Yeah, todays opamps...

20 comments posted 5yrs

posted by pcdhSpamMeSenseless

20 comments posted 5yrs posted by pcdhSpamMeSenseless

Dual Line driver

Looking for a dual line driver to run some LEDs and interface with some other circuits. Found this on Newark: 'SN75121N...

21 comments posted 5yrs

posted by sidwelle

21 comments posted 5yrs posted by sidwelle

Replacement for 741

I am looking for a drop-in replacement for 741, same ability without all the faults of the 741. Found a page that descr...

63 comments posted 5yrs

posted by sidwelle

63 comments posted 5yrs posted by sidwelle

0805 Kevlin sense connections

Is it possible to Kelvin-connect an 0805 sense resistor? The layout guy didn't think so. .-----. ------+--| Rs |--+----...

14 comments posted 5yrs

posted by dagmargoodboat

14 comments posted 5yrs posted by dagmargoodboat

Javascript help with iframes

I normally manage to avoid this stuff but I need to have a button that toggles between old pages ending .htm and new on...

0 comments posted 5yrs

posted by '''newspam'''

0 comments posted 5yrs posted by '''newspam'''

OT China seeing a major resurgence in COVID-19

China is seeing over 100 new cases per day and a few days ago someone died! This is a major resurgence in the disease....

25 comments posted 5yrs

posted by gnuarm.deletethisbit

25 comments posted 5yrs posted by gnuarm.deletethisbit

WHO experts weigh in on COVID-19 vaccine dose interval

The World Health Organization (WHO) vaccine advisory group today weighed in with recommendations for delivering the Pfi...

13 comments posted 5yrs

posted by bloggs.fredbloggs.fred

13 comments posted 5yrs posted by bloggs.fredbloggs.fred

Hide your sulphuric acid

Dear fellow terrorists, Per the European regulation 2019/1148, available here, page 16: https://eur-lex.europa.eu/legal...

40 comments posted 5yrs

posted by peter.pan

40 comments posted 5yrs posted by peter.pan

name drop

We're dog sitting for The Brat, so Mo took Ali out to a local dog park. X was there with his dog, so the dogs played to...

0 comments posted 5yrs

posted by jlarkin

0 comments posted 5yrs posted by jlarkin

Capacitors at RF

Gentlemen, Does anyone know what frequency capacitors are generally measured at? I'm finding correlations at 3Mhz with r...

95 comments posted 5yrs

posted by cd

95 comments posted 5yrs posted by cd