The list rejected Forrests reply since he is not subscribed.

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-----Original Message-----
From: Forrest Higgs [mailto:fshiggs@3DReplicators.com] 
Sent: 2007 Jan 10, Wed 21:16
To: piclist@mit.edu
Subject: Re: [EE] Fab@Home project


"Although I'd be inclined to re-invent the wheel and use an SX chip as that
opens up people to using SX/B[asic] -- bigger potential audience than us PIC
folk."

I totally agree about the BASIC part.  

There are a lot of quite inexpensive, good PIC firmware compilers out there.

I'm using the Oshonsoft PIC Simulator IDE which uses quite a good BASIC
compiler.  

Using the PIC Simulator IDE, I've recently stepped out of the 16F family of
PIC's up into the 18F's, specifically the 18F4610 which is pin compatable
with the workhorse 16F877A but is able to handle much more complicated
interrupt routines and has 64 Kbytes of flash memory.  This has allowed me
to replace the four 16F628A's that RepRap requires to one 18F4610.

The 18F4610 also can handle USB comms directly from the chip with no extra
components required.  This will be a great improvement over the 16F chips
which require you to have a MAX232 or a clone of that chip to intervene
between the PIC and your PC.  BTW, Oshonsoft has an add-on module which you
can purchase which allows you to program USB comms directly in their BASIC.




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