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   alt.electronics      Electronics design, repair, worship, etc      7,706 messages   

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   Message 7,172 of 7,706   
   Rod Speed to Gothberg"@internet.co.is   
   Re: Do switch mode power supplies flicke   
   23 Dec 18 08:18:35   
   
   XPost: alt.home.repair, uk.d-i-y   
   From: rod.speed.aaa@gmail.com   
      
   "William Gothberg" <"William Gothberg"@internet.co.is> wrote in message   
   news:op.zufy2bv8o5piw3@desktop-ga2mpl8.lan...   
   > On Sat, 22 Dec 2018 02:55:55 -0000, Rod Speed    
   > wrote:   
   >   
   >>   
   >>   
   >> "William Gothberg" <"William Gothberg"@internet.co.is> wrote in message   
   >> news:op.zueh1ynoo5piw3@desktop-ga2mpl8.lan...   
   >>> On Fri, 21 Dec 2018 23:07:42 -0000, Rod Speed    
   >>> wrote:   
   >>>   
   >>>>   
   >>>>   
   >>>> "William Gothberg" <"William Gothberg"@internet.co.is> wrote in message   
   >>>> news:op.zud6dhovo5piw3@desktop-ga2mpl8.lan...   
   >>>>> On Thu, 20 Dec 2018 19:25:49 -0000, Rod Speed   
   >>>>>    
   >>>>> wrote:   
   >>>>>   
   >>>>>>   
   >>>>>>   
   >>>>>> "William Gothberg" <"William Gothberg"@internet.co.is> wrote in   
   >>>>>> message   
   >>>>>> news:op.zubpuunso5piw3@desktop-ga2mpl8.lan...   
   >>>>>>> On Thu, 20 Dec 2018 04:27:41 -0000, Clare Snyder   
   >>>>>>>    
   >>>>>>> wrote:   
   >>>>>>>   
   >>>>>>>> On Wed, 19 Dec 2018 16:39:50 -0000, "William Gothberg" <"William   
   >>>>>>>> Gothberg"@internet.co.is> wrote:   
   >>>>>>>>   
   >>>>>>>>> On Wed, 19 Dec 2018 16:34:11 -0000, whisky-dave   
   >>>>>>>>>    
   >>>>>>>>> wrote:   
   >>>>>>>>>   
   >>>>>>>>>> On Wednesday, 19 December 2018 16:21:43 UTC, Mark Lloyd  wrote:   
   >>>>>>>>>>> On 12/19/18 6:01 AM, William Gothberg wrote:   
   >>>>>>>>>>>   
   >>>>>>>>>>> [snip]   
   >>>>>>>>>>>   
   >>>>>>>>>>> > They probably are fairly crude.  I know they flicker, for   
   >>>>>>>>>>> > example   
   >>>>>>>>>>> > if   
   >>>>>>>>>>> > I   
   >>>>>>>>>>> > use my cordless drill, the chuck appears to spin the wrong way   
   >>>>>>>>>>> > under   
   >>>>>>>>>>> > the   
   >>>>>>>>>>> > LED lighting.   
   >>>>>>>>>>> I remember seeing that with a washing machine (under fluorescent   
   >>>>>>>>>>> lights). As the tub was slowing down, the row of holes around   
   >>>>>>>>>>> the   
   >>>>>>>>>>> tub   
   >>>>>>>>>>> would appear to reverse direction. Same thing with (spoked)   
   >>>>>>>>>>> wagon   
   >>>>>>>>>>> wheels   
   >>>>>>>>>>> in movies.   
   >>>>>>>>>>   
   >>>>>>>>>> You can also observe such things using a smartphone that has a   
   >>>>>>>>>> high   
   >>>>>>>>>> FPS   
   >>>>>>>>>> rate for recodring movie.   
   >>>>>>>>>> I can see the labs lights flicker when I film at 240FPS  standard   
   >>>>>>>>>> 60   
   >>>>>>>>>> and everything seems fine.   
   >>>>>>>>>   
   >>>>>>>>> Everybody seems to constantly cut corners.  Lights should just be   
   >>>>>>>>> on,   
   >>>>>>>>> no   
   >>>>>>>>> flicker at all.  Fucking annoying if you have decent eyesight, I   
   >>>>>>>>> can   
   >>>>>>>>> see   
   >>>>>>>>> the flicker from almost everyone's LED tail lights.   
   >>>>>>>>   
   >>>>>>>>   
   >>>>>>>>   This is sounding more and more like our "engineer friend" who   
   >>>>>>>> needs   
   >>>>>>>> to do his own tire repairs and alignments and clutch repairs.   
   >>>>>>>   
   >>>>>>> Don't know who you're referring to, but what's wrong with striving   
   >>>>>>> for   
   >>>>>>> perfection?   
   >>>>>>   
   >>>>>> It increases costs for everyone who isnt a freak.   
   >>>>>   
   >>>>> There's perfection and there's perfection.  You for example like LEDs   
   >>>>> you   
   >>>>> can control the colour of, nothing wrong with that.  But OCD folk take   
   >>>>> things too far, like washing their car every day because of two specks   
   >>>>> of   
   >>>>> dust.   
   >>>>   
   >>>> All irrelevant to whether it makes any sense to design   
   >>>> all car lights so that no freak ever sees any flicker at all.   
   >>>   
   >>> When "freak" is half the population,   
   >>   
   >> Half the population don't see car lights flicker.   
   >   
   > Agreed, and the other half do.   
      
   Bullshit they do.   
      
   >>> you need to account for them.   
   >>   
   >> Nope.   
   >>   
   >>> If you think they're a minority,   
   >>   
   >> I know there are.   
   >>   
   >>> why does google have 4.5 million results for the car light flicker?   
   >>   
   >> Just a few mindlessly ranting freaks, like you.   
   >   
   > I must have asked about 30 people I know about it, and about half agreed   
   > it was irritating.   
      
   The technical term for that is 'pathetically inadequate sample'   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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