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

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   Message 7,093 of 7,706   
   Rod Speed to Gothberg"@internet.co.is   
   Re: Do switch mode power supplies flicke   
   20 Dec 18 10:53:42   
   
   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.zt920ry6o5piw3@desktop-ga2mpl8.lan...   
   > On Wed, 19 Dec 2018 16:21:41 -0000, 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.   
   >   
   > It looks absolutely ridiculous with modern cars with LED headlights in   
   > films.  How hard can it be to put a smoothing capacitor on the output of   
   > the power supply?   
      
   No point when the only thing that has a problem is videos.   
      
   You don't even see a problem with dashcams.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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