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???
01/17/13 09:17
Modified:
  01/17/13 09:28
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 		 #189215 - Not entirely true
Responding to: ???'s previous message
Erik Malund said:
you can not have "potentiometer speed' without an a/d.


There's a number of ways to "read" (maybe coarsely) an analogue signal without an actual "ADC" chip or peripheral.

I seem to remember that Philips (now NXP) had examples for some LPC9xx which didn't have an ADC as such...

See also: http://www.8052.com/forum/read/189216

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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