AVR-Chat

--- In AVR-Chat@yahoogroups.com, David VanHorn <dvanhorn@c...> wrote:
> At 08:07 PM 7/30/2004, Mike Murphree wrote:
> 
> 
> >On Jul 30, 2004, at 1:17 PM, Graham Davies wrote:
> >
> >> --- In AVR-Chat@yahoogroups.com, "C Sizer" <aussiecol39@y...> 
wrote:
> >>
> >>> ... I want to use 4 x 2300mAh AA
> >>> batteries in serial/parallel to
> >>> provide me with 3V.
> >>
> >> Sounds like alkaline cells at 1.5 volts each.
> >
> >He needs a supply voltage of 3V, not batteries that add up to that 
much.
> >As he states below, he needs a converter:
> 
> 
> Just so we understand here, the printer is 5V, and it's stepper is 
5V, but you're thinking of using 3V logic to drive it, right?

Sorry for the confusion,

the printer mechanism and controller both operate from 5V. I am not 
intending to directly drive the logic, but to interface to the 
printer controller by RS232.

Cheers
Col