Re: Arduino virtual modem project

[Payton Byrd <plbyrd@gmail.com>]

On Tuesday, February 5, 2013 1:53:36 PM UTC-6, Steve Nickolas wrote:
> On Tue, 5 Feb 2013, Payton Byrd wrote:
> 
> 
> 
> > Just thought I'd pass along some news from the Commodore world.  I've 
> 
> > been working on virtual modem implemented as an Arduino sketch.  I have 
> 
> > the communications basically nailed down and am about to start the Hayes 
> 
> > command parsing.  Was wondering if anyone is interested in this project. 
> 
> > Right now it only uses TTL level serial as it's wired up to the 
> 
> > Commodore userport.  Does the A2 line work ok with TTL level serial, or 
> 
> > would I need to add a UART to bring the levels up to RS232 standard?
> 
> 
> 
> Generally serial is implemented by a card containing a 6551, which I think 
> 
> is a UART.
> 
> 
> 
> -uso.

OK, found a suitable RS232 shield.