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???
07/28/06 08:05
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 		 #121242 - Hardware questions
Responding to: ???'s previous message
Ammar Ahmed said:
I got harrdware problem. DAC is not working at all. its is giving no output signal. I tried two DAC's but the problem is same.

There's outstanding questions about your schematic; eg,
http://www.8052.com/forumchat/read.phtml?id=121025

The problem may not have been with the DAC chips, but with your circuit...

Possibly, the DAC chips are damaged now.



List of 72 messages in thread
TopicAuthorDate
control intensity of LED's            01/01/70 00:00      
   parallel post            01/01/70 00:00      
      Micro            01/01/70 00:00      
         pp1            01/01/70 00:00      
            Craig, we NEED a spell-checker!            01/01/70 00:00      
               That'd block all Erik's posts, then ;-)            01/01/70 00:00      
                  Well, what would that hurt?            01/01/70 00:00      
               Super large dictionary            01/01/70 00:00      
                  Those are "out there"            01/01/70 00:00      
                     Some problems I see...            01/01/70 00:00      
                        True enough ... nothing's perfect            01/01/70 00:00      
                           Homonyms            01/01/70 00:00      
                              exactly!            01/01/70 00:00      
                                 spell-checker            01/01/70 00:00      
               No no no no no            01/01/70 00:00      
                  what a colourful reply.            01/01/70 00:00      
   You might have better success....            01/01/70 00:00      
      Options            01/01/70 00:00      
         can be very much simpler            01/01/70 00:00      
            Insuficient Data for Proper Anlysis Captian            01/01/70 00:00      
            mistakes            01/01/70 00:00      
   can you say \"duty cycle\"?            01/01/70 00:00      
      Very unsafe!            01/01/70 00:00      
         duty cycle            01/01/70 00:00      
            Do some thinking...            01/01/70 00:00      
               _________            01/01/70 00:00      
                  Back to basics            01/01/70 00:00      
                     more basics            01/01/70 00:00      
                  you have to crawl before you walk            01/01/70 00:00      
                     code            01/01/70 00:00      
                        Checking code            01/01/70 00:00      
                           answers            01/01/70 00:00      
                              You didn't read the instructions!            01/01/70 00:00      
                                 if you can't read and follow instructions, I doubt            01/01/70 00:00      
                                 i tried but a problem            01/01/70 00:00      
                                    please, pretty please ...            01/01/70 00:00      
                                 i tried but a problem            01/01/70 00:00      
                                    who gives a friggin\' hoot            01/01/70 00:00      
                                 i tried but a problem            01/01/70 00:00      
                                 i tried but a problem            01/01/70 00:00      
                                 i tried but a problem            01/01/70 00:00      
                                 i tried but a problem            01/01/70 00:00      
                                 i tried but a problem            01/01/70 00:00      
                                    Eh?            01/01/70 00:00      
                                       hardware problem            01/01/70 00:00      
                                          Logic?            01/01/70 00:00      
                                             done!            01/01/70 00:00      
                                                interrupt of 8051.. question            01/01/70 00:00      
                                                   no way            01/01/70 00:00      
                                                   Unrelated questions            01/01/70 00:00      
                                                   not studied microcontroller            01/01/70 00:00      
                                          Hardware questions            01/01/70 00:00      
                                          you just created an 'advanced blinky'            01/01/70 00:00      
                                          What the hell??            01/01/70 00:00      
                                             about the 10th time in this thread            01/01/70 00:00      
                                             This guy doesn't even have the basics ...            01/01/70 00:00      
         The general priciples, maybe, but specifics, NO!            01/01/70 00:00      
   u.....you            01/01/70 00:00      
      again            01/01/70 00:00      
         the dead esy way            01/01/70 00:00      
            Tut, tut, Erik            01/01/70 00:00      
               ok, guilty as charged, and a no            01/01/70 00:00      
               fonts!            01/01/70 00:00      
                  well, if the OP took the time to follow the link,            01/01/70 00:00      
                     Not so sure            01/01/70 00:00      
            Cunning            01/01/70 00:00      
               in addition            01/01/70 00:00      
         ???            01/01/70 00:00      
   writing in "c "or in assembly            01/01/70 00:00      
      no need to SHOUT, it is annoying            01/01/70 00:00      
      Compilers; writing code            01/01/70 00:00      
         all-cap's helps in other ways            01/01/70 00:00      

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