Electronics Design

Aliexpress solar cells as photodiodes--not

So I have this project looking to measure babies' blood oxygenation noninvasively, i.e. using an optical sensor looking...

19 comments posted 5yrs

posted by pcdhSpamMeSenseless

19 comments posted 5yrs posted by pcdhSpamMeSenseless

$2 Billion damages per inch of GW sea level rise

Study: Climate change added $8 billion to Sandy’s damages https://apnews.com/article/climate-climate-change-science-env...

23 comments posted 5yrs

posted by bloggs.fredbloggs.fred

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

Guitar wiring

Any guitarists? I'm wiring a 3 humbucker "super Strat" like this: Two Seymour Duncan mini-humbuckers in the neck and mi...

1 comments posted 5yrs

posted by user

1 comments posted 5yrs posted by user

FDTI - FT601Q-B-T - USB3 Interface

Hi all, A student of mines needs an FT601Q-B-T for a USB3 interfacing project. All the usual well known suppliers are o...

3 comments posted 5yrs

posted by jozamm

3 comments posted 5yrs posted by jozamm

narrow pulse generator

I want to make a narrow pulse. This will drive an e/o modulator to be an optical "fiducial" marker in a laser system. I...

8 comments posted 5yrs

posted by jlarkin

8 comments posted 5yrs posted by jlarkin

Mic Pre-amps

Gentlemen, Anyone know of a suitable jellybean op-amp that would make for a low distortion pre-amp for a broadcast quail...

18 comments posted 5yrs

posted by cd

18 comments posted 5yrs posted by cd

Current Level Detection

Gentlemen, I want to monitor current drawn from a car battery (12v lead-acid) in such a way as when it drops below 200m...

107 comments posted 5yrs

posted by cd

107 comments posted 5yrs posted by cd

Mineral Oil as Thermal Grease

I have experienced problems with conventional thermal compound that dries out after a period of time, or never gets app...

48 comments posted 5yrs

posted by spamme

48 comments posted 5yrs posted by spamme

Any PCB demands, welcome to contact me: wade@toptekpcb.com

Hello, everyone. Thanks for checking :-) This is Wade from Totek PCB, my focus is to understand what my client PCB need...

0 comments posted 5yrs

posted by wadexiepcb

0 comments posted 5yrs posted by wadexiepcb

The electron may consist of 2 particles

The electron may consist of 2 particles: https://www.princeton.edu/news/2021/05/13/new-evidence-electrons-dual-nature-fo...

0 comments posted 5yrs

posted by pNaOnStPeAlMtje

0 comments posted 5yrs posted by pNaOnStPeAlMtje

Very Important Development: Motor needs no Rare Earths

Slashdot posted an article about a new motor under development in Germany. Here's a partial description: --------------...

16 comments posted 5yrs

posted by spamme

16 comments posted 5yrs posted by spamme

How Will the Electric Grid be Structured to Facilitate Distributed Generation?

I read that in a number of US states power companies are pushing back on net metering. Even though most areas allow sep...

14 comments posted 5yrs

posted by gnuarm.deletethisbit

14 comments posted 5yrs posted by gnuarm.deletethisbit

Re: Shingles and Colloidal Silver

> >I have posted a brief note on shingles and colloidal silver at > Who in their right mind would put silver on their r...

1 comments posted 5yrs

posted by amy.webb

1 comments posted 5yrs posted by amy.webb

My "craziest"analog design (1995 or so)

I mentioned it to John yesterday and I thought I'd post it. Took photos of the plots I had (using a HP7475....), someho...

6 comments posted 5yrs

posted by dp

6 comments posted 5yrs posted by dp

Re: arm assembly examples

torsdag den 13. maj 2021 kl. 03.16.06 UTC+2 skrev Hul Tytus: > Anyone know where on the internet files of programs, or...

29 comments posted 5yrs

posted by langwadt

29 comments posted 5yrs posted by langwadt