[sdiy] 7 Segment Display Driver?

[Harry Bissell Jr]

How about use a 4011 for three bits (0-7) and
light the decimal point for the fourth bit.

0
1
2
3
4
5
6
7
.0
.1
.2
.3
.4
.5
.6
.7 

Or you could use a display with a +/- sign
and display as + or - number

H^) harry

--- xamboldt <xamboldt at earthlink.net> wrote:

> Yeah, that would probably be the easiest, but
> unfortunately I don't have a
> PIC programmer or the knowledge to program one. :(
> So I was hoping to do
> this in olden-days-style, as I do have a soldering
> iron and the knowledge to
> use one. :) Not that I'm against PICs, but I don't
> plan on doing enough of
> them to invest in the equipment/skill.
> 
> Thanks for the lead on the 9368, looks like it's the
> answer for hex, but has
> been discontinued... The search continues...
> 
> Chris
> 
> On 10/19/05 2:26 PM, "The Old Crow"
> <oldcrow at oldcrows.net> wrote:
> 
> > 
> > These days, I'd just program a PIC to do this.  In
> the olden days, the
> > hex display driver was the 9368 (Fairchild, I
> think).
> > 
> > Crow
> > /**/
> > 
> > On Wed, 19 Oct 2005, xamboldt wrote:
> > 
> >> Hey Everyone,
> >> 
> >> Do any of you know of an IC that would take 4-bit
> binary and drive a
> >> 7-segment display to either show Hex, or drive 2
> displays to show decimal
> >> 0-15 (or 1-16)? I believe I've figured out how to
> do the decimal version
> >> with external logic and a 4511, but if there's a
> one-chip solution, I'd love
> >> to know about it...
> > 
> 
>