Electronics Design

Pulse detector

I am looking for a voltage detector of a 10% duty cycle waveform. This is close to what i need, best if it works with 1...

59 comments posted 6yrs

posted by edward.ming.lee

59 comments posted 6yrs posted by edward.ming.lee

Covid-19 causes sudden strokes in young adults, doctors say

And these are people with mild symptoms to completely asymptomatic. Stroke is bad news, it can really leave a person a...

0 comments posted 6yrs

posted by bloggs.fredbloggs.fred

0 comments posted 6yrs posted by bloggs.fredbloggs.fred

We (heart) U

https://www.dropbox.com/s/ncqxr0uathr6jq5/We_Luv_U.jpg?raw=1 -- John Larkin Highland Technology, Inc picosecond timing...

8 comments posted 6yrs

posted by jlarkin

8 comments posted 6yrs posted by jlarkin

LED forward voltage drop with temperature

LTSpice says that the forward voltage drop of LEDs have a positive coefficient. That is contrary to my thinking and to m...

69 comments posted 6yrs

posted by Sophi.2

69 comments posted 6yrs posted by Sophi.2

Workplace Injury

I burned my finger on my soldering iron, trying to solder down an SC79 varicap. Haven't done that in decades. I mean, b...

53 comments posted 6yrs

posted by jlarkin

53 comments posted 6yrs posted by jlarkin

Aussie Humour

Hi, this automotive theme vid is worth a look: https://www.youtube.com/watch?v=Dp92dDJqQBc FYI: "Shitsville" = Australia...

5 comments posted 6yrs

posted by pallison49

5 comments posted 6yrs posted by pallison49

Giant scrolling text in 1945??

I saw this on TV twice, possibly on Discovery channel. A crowd was celebrating the end of WWII in the street and the re...

59 comments posted 6yrs

posted by nobody

59 comments posted 6yrs posted by nobody

Wuhan Virus lab had broken seals on refrigerators storing virus samples

Incredibly bad practices at this lab: https://www.dailymail.co.uk/news/article-8233185/Shock-photos-inside-Wuhan-lab-sto...

3 comments posted 6yrs

posted by soar2morrow

3 comments posted 6yrs posted by soar2morrow

Kim Jung Un gonna die?

Poor No. Korean medical care and heart surgeries do not mix very well. I am sure being a heavy smoker and an obvious ba...

25 comments posted 6yrs

posted by DecadentLinuxUserNumeroUno

25 comments posted 6yrs posted by DecadentLinuxUserNumeroUno

NJ arrests woman for exercising her First Amendment rights

The Wuhan virus crisis has encouraged bureaucrats to violate the Constitution with impunity: https://www.washingtontimes...

25 comments posted 6yrs

posted by soar2morrow

25 comments posted 6yrs posted by soar2morrow

Gigabit PoE - component solutions?

I need a inexpensive (i.e. not packaged) solution to delivering clean Power over Ethernet at gigabit rates. Yes, I know...

2 comments posted 6yrs

posted by no.spam

2 comments posted 6yrs posted by no.spam

430,000 People Have Traveled From China to U.S. Since Coronavirus Surfaced

And 40,000 arrived in U.S. from China since the so-called travel ban was pu t in place. Trump is looking more and more...

0 comments posted 6yrs

posted by bloggs.fredbloggs.fred

0 comments posted 6yrs posted by bloggs.fredbloggs.fred

We are going to beat the Corona Virus as follows:

We are going to beat the Corona Virus as follows: 1. All people should wear pajamas and stay indoors. 2. Pajamas give a...

0 comments posted 6yrs

posted by skybuck2000

0 comments posted 6yrs posted by skybuck2000

WTI Oil now at -$9 per barrel.....what does that even mean!!!???

Seriously?

16 comments posted 6yrs

posted by blocher

16 comments posted 6yrs posted by blocher

???

https://www.youtube.com/watch?v=ZphK_CMUbKg

30 comments posted 6yrs

posted by terrell.michael.a

30 comments posted 6yrs posted by terrell.michael.a