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???
01/02/04 17:45
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 		 #61769 - RE: Again, the robo Ball 100Hz and 50Hz
Responding to: ???'s previous message
Hi Stanley,
Your problem is quite common in the analog world.
The solution is to get a 50 hertz notch filter to elimenate the 50 Hz interference.

The solution for detecting the 100 Hz light is to get a band pass filter.
There are many examples of both of these on the internet just do a search on http://www.google.com
Regards,
Charles Bannister




List of 35 messages in thread
TopicAuthorDate
Again, the robo Ball 100Hz and 50Hz AC            01/01/70 00:00      
   RE: Again, the robo Ball 100Hz and 50Hz AC            01/01/70 00:00      
      RE: Again, the robo Ball 100Hz and 50Hz AC            01/01/70 00:00      
      RE: Again, the robo Ball 100Hz and 50Hz AC            01/01/70 00:00      
   RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
      RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
         RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
            RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
               RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
            RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
               This problem will only occurs in Macau.            01/01/70 00:00      
            RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
               RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
                  RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
                     RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
   RE: Again, the robo Ball 100Hz and 50Hz AC            01/01/70 00:00      
      RE: Again, the robo Ball 100Hz and 50Hz AC            01/01/70 00:00      
         No, it's rule.            01/01/70 00:00      
   RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
      Photodiode and LDR            01/01/70 00:00      
         RE: Photodiode and LDR            01/01/70 00:00      
   RE: Again, the robo Ball 100Hz and 50Hz AC            01/01/70 00:00      
      RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
         RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
            RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
               Choose one: Photodiode or Photoresistor            01/01/70 00:00      
            I suggested you one!            01/01/70 00:00      
               RE: I suggested you one!            01/01/70 00:00      
   RE: Again, the robo Ball 100Hz and 50Hz AC            01/01/70 00:00      
      RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
         RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
            RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
               RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
                  RE: Again, the robo Ball 100Hz and 50Hz            01/01/70 00:00      
   Marks and spaces?            01/01/70 00:00      

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