Electronics Design

  1. Home
  2. Electronics Design
43713 Threads Posts
to

Open Source Lack of Funding

The project leader on the ventilator project has managed to have a few of t he rev 1 boards built, but they are terribl...
27 comments posted 6yrs
posted by gnuarm.deletethisbit
27 comments posted 6yrs posted by gnuarm.deletethisbit

working from home

https://www.breitbart.com/tech/2020/07/27/report-googles-200000-employees-will-work-from-home-for-another-full-year/ Th...
96 comments posted 6yrs
posted by jlarkin
96 comments posted 6yrs posted by jlarkin

Actual LED TVs? do they exist?

Are any TVs just LED? Or is LED just a backlight to an LCD panel? I thought they'd invented TVs where every dot was a tr...
35 comments posted 6yrs
posted by CFKinsey
35 comments posted 6yrs posted by CFKinsey

Amperes squared is energy

I is current, R is resistance Power = IIR Energy = Power * seconds R = (kg/Coulomb^2) * meter^2 / second II = Coulomb s...
23 comments posted 6yrs
posted by omnilobe
23 comments posted 6yrs posted by omnilobe

Replacing LEDs in strip lights

I use this sort of thing: https://www.ebay.co.uk/itm/163956674647 When they eventually fail, it's the LEDs that have go...
3 comments posted 6yrs
posted by CFKinsey
3 comments posted 6yrs posted by CFKinsey

OT: Power BJT Power Limit

Gentlemen, Taking the 2N3055 as an example (as I'm sure we're all familiar with this once-ubiquitous decades-old device...
49 comments posted 6yrs
posted by curd
49 comments posted 6yrs posted by curd

TDR with multiple shorts

I am clearly out of my depth and the question is practical: what would TDR show if there is a pair of wires shorted in...
16 comments posted 6yrs
posted by peter.pan
16 comments posted 6yrs posted by peter.pan

A flyback based on the new Infineon SiC

Some time ago James Arthur sent here a notification about the IMBF170R1K0M1XTMA1 SiC MOSFET. I have just re-prototyped...
2 comments posted 6yrs
posted by peter.pan
2 comments posted 6yrs posted by peter.pan

OT: Walmart

Have any of you been to Walmart since they mandated everyone wear a mask? I went on Tuesday. Not only were masks requir...
31 comments posted 6yrs
posted by terrell.michael.a
31 comments posted 6yrs posted by terrell.michael.a

Isolating bridge rectifier

I want to use the short audio output from my iPad to generate a brief 5V pu lse for an Arduino circuit. I am using an e...
11 comments posted 6yrs
posted by terrypingm
11 comments posted 6yrs posted by terrypingm

PSpice for TI

Request the download link here: https://www.ti.com/tool/PSPICE-FOR-TI
11 comments posted 6yrs
posted by dontreplytothis173
11 comments posted 6yrs posted by dontreplytothis173

Has anybody ever stacked two CPU coolers?

Has anybody ever stacked two CPU coolers? First one fitted normally, then the second welded on top of it. Theoretically...
25 comments posted 6yrs
posted by CFKinsey
25 comments posted 6yrs posted by CFKinsey

The non-existing variant of NCP730

The datasheet says that the "B" version has power good indicator and that the part is available both in TSOP-5 and WDFN...
3 comments posted 6yrs
posted by peter.pan
3 comments posted 6yrs posted by peter.pan

FudFly converter

I guess this is pretty obvious, but when the fet turns on, it's a forward converter charging C1, and when it turns off...
43 comments posted 6yrs
posted by jlarkin
43 comments posted 6yrs posted by jlarkin

A:

Started in Win7.1... Why is it impossible to access a floppy drive, much less COPY a file from it? At least, in WinXP i...
28 comments posted 6yrs
posted by robertbaer
28 comments posted 6yrs posted by robertbaer