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

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   Message 7,083 of 7,706   
   "William Gothberg" <"William to whisky-dave   
   Re: Do switch mode power supplies flicke   
   19 Dec 18 16:39:50   
   
   XPost: uk.d-i-y, alt.home.repair   
   From: Gothberg"@internet.co.is   
      
   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.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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