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.zujawnnvo5piw3@desktop-ga2mpl8.lan...   
   > On Sun, 23 Dec 2018 22:28:10 -0000, Rod Speed    
   > wrote:   
   >   
   >>   
   >>   
   >> "William Gothberg" <"William Gothberg"@internet.co.is> wrote in message   
   >> news:op.zuhu0clho5piw3@desktop-ga2mpl8.lan...   
   >>> On Sun, 23 Dec 2018 17:38:42 -0000, Rod Speed    
   >>> wrote:   
   >>>   
   >>>>   
   >>>>   
   >>>> "William Gothberg" <"William Gothberg"@internet.co.is> wrote in message   
   >>>> news:op.zuhjls2do5piw3@desktop-ga2mpl8.lan...   
   >>>>> On Sat, 22 Dec 2018 23:33:40 -0000, Rod Speed   
   >>>>>    
   >>>>> wrote:   
   >>>>>   
   >>>>>>   
   >>>>>>   
   >>>>>> "William Gothberg" <"William Gothberg"@internet.co.is> wrote in   
   >>>>>> message   
   >>>>>> news:op.zuf5f9ayo5piw3@desktop-ga2mpl8.lan...   
   >>>>>>> Why do you think Iiyama made 90Hz monitors?   
   >>>>>>   
   >>>>>> Because some freaks can see flicker at 50Hz and   
   >>>>>> are free to pay more for something faster.   
   >>>>>   
   >>>>> High frequency monitors were very popular.   
   >>>>   
   >>>> Not because many ever saw any flicker.   
   >>>   
   >>> There would be no other reason.   
   >>   
   >> Wrong, as always.   
   >   
   > Getting back to the subject of the LEDs.... I decided I needed an   
   > oscilloscope.  Just got one for £19 from China!  Little portable thing   
   > that runs off a PP3 9V battery.  Fairly basic, but it measures up to   
   > 200kHz waveforms.   
   > http://www.ebay.co.uk/itm/283094513911   
      
   Yeah, some surprisingly cheap ones around.   
      
   I actually have a proper dual channel cro, ex TV repair operation.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)