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 Robotics / 6077
    I/o's expansions for the mindstorm ? —Philippe Jadin
   Hi! Rcx has only 3 i/o's. I was wondering if anybody had made a real expansion board (not fake tricks with 1 light+1switch sensor on the same port. I'd be very interested byt something more complex...) with IR comunication ? This could add a lot of (...) (25 years ago, 6-Aug-99, to lugnet.robotics)
   
        Re: I/o's expansions for the mindstorm ? —Jacob Schultz
   (...) Yeah, I would really like to see such an expansion too! Someone was talking about an I2C bus interface, but the thread appearently died out - Is someone working on this?. I could also think of a "dummy RCX" which cannot be programmed but will (...) (25 years ago, 6-Aug-99, to lugnet.robotics)
   
        getting RCX datalog into a file —S. Crawshaw
     Is it possible to get the uploaded datalog from the RCX into a file using Rcx Command Center? (PS great work Dave and Mark!) Failing that, does someone have a *simple* (ie one which needs no interaction apart from giving a filename) Win95 prog. that (...) (25 years ago, 8-Aug-99, to lugnet.robotics)
   
        Re: I/o's expansions for the mindstorm ? —Philippe Jadin
     The mindstorm internals (very very good pages...) : (URL) has a section called "Communication". Here is the beginning : "The RCX uses a 38kHz carrier, which is pretty typical for TV remotes. As for the sampling rate, the RCX runs at 2400 bps, which (...) (25 years ago, 8-Aug-99, to lugnet.robotics)
    
         Re: I/o's expansions for the mindstorm ? —Robert Munafo
     (...) This might not be relevant for everyone out there, but I thought I'd point out: If you use a learning remote to learn the codes from the MindStorms remote control, please note that all combinations of the three motor controls send out a (...) (25 years ago, 10-Aug-99, to lugnet.robotics)
   
        Re: I/o's expansions for the mindstorm ? —Michael Gasperi
    (...) I tinkered with some multiplex schemes like this (URL) that simply connect different sensors to a single input in a fixed sequence. It workes OK for passive sensors like touch or temperature or voltage inputs. To make it work with active (...) (25 years ago, 8-Aug-99, to lugnet.robotics)
 

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