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

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   Message 7,115 of 7,706   
   "William Gothberg" <"William to Clare Snyder   
   Re: Do switch mode power supplies flicke   
   20 Dec 18 13:45:56   
   
   XPost: alt.home.repair, uk.d-i-y   
   From: Gothberg"@internet.co.is   
      
   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?   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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