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???
01/05/04 10:58
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 		 #61939 - RE: I suggested you one!
Responding to: ???'s previous message
"http://www.8052.com/forum/read.phtml?id=61868"
This is the circuit I'm testing.
The circuit that you gave me before can't detect the ball. I can't see any pulse detected output on the oscilloscope. Why? Low gain?

Stanley

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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