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???
08/04/05 12:43
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 		 #98804 - detecting light
Responding to: ???'s previous message
If you just need to detect light, then you need an optotransistor connected to the 8051. Do you need to detect the intensity of the light?

Jacob


List of 33 messages in thread
TopicAuthorDate
Detecting Light with 8051            01/01/70 00:00      
   detecting light            01/01/70 00:00      
      Too specific            01/01/70 00:00      
   have a peek            01/01/70 00:00      
   TAOS inc            01/01/70 00:00      
      simple and cheap            01/01/70 00:00      
         Twilight Switch?            01/01/70 00:00      
         possible schematic            01/01/70 00:00      
            Add            01/01/70 00:00      
               re:add            01/01/70 00:00      
                  NO !            01/01/70 00:00      
                     updated schematic            01/01/70 00:00      
            possible, but not goog            01/01/70 00:00      
               Consensus!            01/01/70 00:00      
                  a comparator with hysteresis constitutes            01/01/70 00:00      
                     Better with            01/01/70 00:00      
                        a 555 ....            01/01/70 00:00      
                           555...            01/01/70 00:00      
         The simplest solution would be...            01/01/70 00:00      
            and...            01/01/70 00:00      
   Try this, It works and it's cheap            01/01/70 00:00      
      how do you know?            01/01/70 00:00      
         OT - you are fully right erik            01/01/70 00:00      
            that is not the issue            01/01/70 00:00      
               What is diddelysquat            01/01/70 00:00      
                  http://wordwebonline.com/en/DIDDLYSQUAT            01/01/70 00:00      
         Because I build it            01/01/70 00:00      
            nobody disputes that, but that does not            01/01/70 00:00      
            re:you built it            01/01/70 00:00      
               and thus Kai states "it's not clear, wh            01/01/70 00:00      
                  re:            01/01/70 00:00      
                     Yes-ish            01/01/70 00:00      
                     Isn't it funny...            01/01/70 00:00      

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