XPost: uk.d-i-y, alt.home.repair   
   From: rod.speed.aaa@gmail.com   
      
   "William Gothberg" <"William Gothberg"@internet.co.is> wrote in message   
   news:op.zubnqbkho5piw3@desktop-ga2mpl8.lan...   
   > On Thu, 20 Dec 2018 09:36:02 -0000, Jon Fairbairn   
   >  wrote:   
   >   
   >> "William Gothberg" <"William Gothberg"@internet.co.is> writes:   
   >>> Agreed. All I can detect (with my digital camera) is that   
   >>> one brand of LED light I have flickers about 5 times less   
   >>> (not sure if it's smother or faster) than the others.   
   >>   
   >> Try a longer exposure and move the light rapidly relative to the   
   >> camera.   
   >   
   > I wonder, if I fed the lamps with mains voltage DC, simply a bridge   
   > rectifier and a huge capacitor, they'd reduce their flicker.   
      
   Wont work at all if they use capacitor droppers and   
   they very likely do because those are the only cheap   
   droppers for dropping such a large voltage.   
      
   Very easy to try tho and see if it works.   
      
   > The cheap shit LED lamp I have that actually flashes at 100Hz would most   
   > likely get much brighter and burn out, so I'd have to adjust that, but the   
   > others which only flicker 8% would just get 4% brighter.   
      
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