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???
07/19/06 08:23
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 		 #120550 - usb IO port
Responding to: ???'s previous message
Anyone know of a commercial IOport for USB?
I'm trying to implement a control board from a PC with up to 64 dig Inputs and 64 dig outputs. I have a serial RS485 system at the moment using 8-bit io boards, but this is becoming rather time critical using 16 boards at 9600 baud.
Or are there any 8051 prototype guidelines around?
Thanks
Chris

List of 31 messages in thread
TopicAuthorDate
Port pins to control mouse buttons            01/01/70 00:00      
   also mouse button press detection            01/01/70 00:00      
   Questions            01/01/70 00:00      
      I agree with Richard            01/01/70 00:00      
         Not making a board from scratch            01/01/70 00:00      
            optoisolated FET            01/01/70 00:00      
               Optocoupler            01/01/70 00:00      
      Answers            01/01/70 00:00      
         How can its native protocol interfere?            01/01/70 00:00      
            This is nuts            01/01/70 00:00      
         Wedge it.            01/01/70 00:00      
            Makes Sense            01/01/70 00:00      
            In case it isn't clear enough ...            01/01/70 00:00      
               This is nuts II            01/01/70 00:00      
                  That is not how a mouse works.            01/01/70 00:00      
                  Your approach is too costly and awkward            01/01/70 00:00      
                     It's one off thing            01/01/70 00:00      
                        Now, I'd be the last one ...            01/01/70 00:00      
                           Errr...            01/01/70 00:00      
                              True enough, but ...            01/01/70 00:00      
                                 it will be our secret (shshshshsh)            01/01/70 00:00      
                                    Real Life?            01/01/70 00:00      
                                       I'm a big kid            01/01/70 00:00      
                                          Keeps us young I guess            01/01/70 00:00      
                                             Have you considered ...            01/01/70 00:00      
                                                It all depends            01/01/70 00:00      
                                                   It's not about making ME happy.            01/01/70 00:00      
                                                      Too busy winning games            01/01/70 00:00      
   USB?            01/01/70 00:00      
      usb IO port            01/01/70 00:00      
      usb IO port            01/01/70 00:00      

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