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???
01/17/13 09:28
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 		 #189216 - RE: potentiometer
Responding to: ???'s previous message
Jai Nair said:
You mean to say we can't add pot meter without adc but sir i have seen i project without it.
here is link,sir please check the link "http://www.files.com/image/50f...SN_001.png"

Not a very clear diagram, but that appears to be using the analogue comarator of the AT89C2051.

That is one way to achieve some "analogue sensing" without having an actual ADC. See: http://www.8052.com/forum/read/189215



List of 36 messages in thread
TopicAuthorDate
LED CHASER            01/01/70 00:00      
   To avoid problems            01/01/70 00:00      
      RMW uses latch            01/01/70 00:00      
      LED CHASER            01/01/70 00:00      
         very possible            01/01/70 00:00      
            LED CHASER            01/01/70 00:00      
               Do you know what comments are?            01/01/70 00:00      
                  oddly enough            01/01/70 00:00      
                     Very true            01/01/70 00:00      
                     Design your project in the first place            01/01/70 00:00      
               yes, when            01/01/70 00:00      
                  led chaser_comment            01/01/70 00:00      
                     it would be helpful            01/01/70 00:00      
                        chip             01/01/70 00:00      
                           read the datasheet            01/01/70 00:00      
                              potentiometer            01/01/70 00:00      
                                 Erik's typing            01/01/70 00:00      
                                 RE: potentiometer            01/01/70 00:00      
                              Not entirely true            01/01/70 00:00      
                                 The AT89C2051 has analog comparator            01/01/70 00:00      
                                    LED currents            01/01/70 00:00      
                                       no, you have not            01/01/70 00:00      
                                          comment            01/01/70 00:00      
                                             which is also uncommented scribbles            01/01/70 00:00      
                                                comment            01/01/70 00:00      
                                                   He wants you to put descriptive, detailed comments            01/01/70 00:00      
                                                      thanks             01/01/70 00:00      
                                                         Will you do it?            01/01/70 00:00      
                                                            comment            01/01/70 00:00      
                                                               A method I have used for LED signs            01/01/70 00:00      
                                                                  OMG            01/01/70 00:00      
                                                                     one example, please            01/01/70 00:00      
                                                               bear in mind that not everyone will recognize "LED Chaser"            01/01/70 00:00      
                                                   apparently you still don't know what comments are            01/01/70 00:00      
   no, you don't            01/01/70 00:00      
   ADC with 89C2051 comparator            01/01/70 00:00      

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