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???
02/06/09 06:22
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 		 #162121 - burning a hole...
Responding to: ???'s previous message
It is curious, isn't it - Why so much current?

Perhaps Aamir Javaid can explain what type of "LED matrix" he is planning on driving?

List of 64 messages in thread
TopicAuthorDate
Help Needed:8051 and BDX54C            01/01/70 00:00      
   Draw it!            01/01/70 00:00      
      How to post a schematic            01/01/70 00:00      
   Reply to Aamir            01/01/70 00:00      
      SPDT switch?            01/01/70 00:00      
   the schematic            01/01/70 00:00      
      ground that emitter            01/01/70 00:00      
      PNP versus NPN            01/01/70 00:00      
         Basic electronics            01/01/70 00:00      
      See if this helps...            01/01/70 00:00      
         the circuit to the left is always on            01/01/70 00:00      
            woops...            01/01/70 00:00      
               so then            01/01/70 00:00      
                  you have options...            01/01/70 00:00      
                  no answer till ...            01/01/70 00:00      
            burning a hole...            01/01/70 00:00      
               Be cool!            01/01/70 00:00      
                  gimme, gimme            01/01/70 00:00      
                  proper current to LEDs.            01/01/70 00:00      
   The only way to use the BDX54C...            01/01/70 00:00      
      LED current - sweeping generalisation            01/01/70 00:00      
      Please explain            01/01/70 00:00      
         Just imagine how this high LED current...            01/01/70 00:00      
            Hence the reason...            01/01/70 00:00      
               I do not think so            01/01/70 00:00      
                  His "please explain" thread proves...            01/01/70 00:00      
                     cant u?            01/01/70 00:00      
                        You need to provide            01/01/70 00:00      
                        Do you mean this?            01/01/70 00:00      
                           Thanks Sir KAi            01/01/70 00:00      
                              10K SPI            01/01/70 00:00      
                                 Meaning of "SIP"            01/01/70 00:00      
                                    A 10K SIP Indeed !!!            01/01/70 00:00      
                                       How it works??            01/01/70 00:00      
                                          Short for what            01/01/70 00:00      
                                          Look again - and think!            01/01/70 00:00      
                                       so, what he has used?            01/01/70 00:00      
                                          Why more schematics?            01/01/70 00:00      
                                             But            01/01/70 00:00      
                                                10k SIP do not connect anything. They add something!            01/01/70 00:00      
                                                   what for 8051            01/01/70 00:00      
                                                      do you EVER bother to read the docs before asking questions            01/01/70 00:00      
                                                         Back to basics            01/01/70 00:00      
                                                      Yes, you will            01/01/70 00:00      
                                                RE: how those eight data lines are connected ?            01/01/70 00:00      
                                             But            01/01/70 00:00      
                                                as seen on the schematic            01/01/70 00:00      
                                             Not all SIL resistor packs are the same!            01/01/70 00:00      
                                                Yes, more than one type of SIL network            01/01/70 00:00      
                              looks exactly like what I would suggest            01/01/70 00:00      
                              Both, but take care...            01/01/70 00:00      
                                 what you think about this?            01/01/70 00:00      
                                    Post link            01/01/70 00:00      
                                       No no            01/01/70 00:00      
                                          Doesn't add up            01/01/70 00:00      
                                    Depends...            01/01/70 00:00      
                              it wont worked....            01/01/70 00:00      
                                 Still Doesn't add up!            01/01/70 00:00      
                                 Then you have done something wrong!            01/01/70 00:00      
                                    experimenting "wildly" ....            01/01/70 00:00      
                                       Basic electronics            01/01/70 00:00      
                                    You are right...            01/01/70 00:00      
                  Actually            01/01/70 00:00      
      Please explain            01/01/70 00:00      

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