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I'm using Lego MindStorms for didactical laboratory at Politecnico di
Torino.
I'm interested in your project. I have two questions:
Would it be difficult to reproduce in multiple copies your board?
How do you solve the problem of porting the software?
Giuseppe Menga
-----Messaggio Originale-----
Da: "Bert Weber" <Bert.Weber@gmx.net>
A: <lugnet.robotics.rcx.java@lugnet.com>; <lugnet.robotics.rcx@lugnet.com>;
<lugnet.robotics.rcx.legos@lugnet.com>
Data invio: sabato 17 maggio 2003 14.49
Oggetto: Re: Upgrade RCX?
> In lugnet.robotics.rcx.java, Rand Krakora writes:
> > Has anyone ever tried to upgrade the memory in the RCX? ( External RAM • that
> > is ).
> >
> > What about upgrade the CPU to 60kbyte PROM version? No need to use • expanded
> > mode, then a ton of I/O would be available...
> >
> > Anyone thought about building a RCX replacement ( besides JCX ) that • would
> > fit into the existing RCX package? Something with flash?
> >
> > Would lejos welcome this? Or would it be too much effort to port to • another
> > CPU?
> >
> > Any kind of an open source hardware project like this available?
> >
> > Thanks,
> > Rand
>
> Hi Rand,
>
> I have started an hardware replacement for the RCX. Its based on an 16bit
> µController, an Infineon (Siemens) C164 with 128kb flash, 128kbSRAM and • 64kb
> EEPROM. The controller plus the all memory is on a module from Phytec
> "Dipmodule 164", like a big 40 pin IC. Therefore all the dificult parts • (PCB
> layout ...) are already solved. My PCB contains only the interfaces to the
> outside world. This are a RCX compatible IR tranceiver, I2C Interface, 6
> motor driver, 8 AD inputs (2 of them active RCX compatible), status LEDs • and
> an beeper. No LCD, but can easily attached to the I2C bus.
>
> Bert
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