[simpits-tech] Driving LED displays via a serial line

[Gene Buckle]

Alex, the chip that people are using to drive individual LEDs was original
designed to drive 7 segment displays.  You can use this for what you need.
I don't recall the part number though.  I'm sure Rob Favre knows..

g.


On Fri, 24 May 2002, Wiebe, Alex wrote:

> Anybody doing this? If so, how?
>
> I've done some preliminary searches and I can only find chips that require a
> clock and latch line - which is getting beyond my hardware skills.
>
> What would be sweet is a chip (much like the stuff that Ferret Electronics
> sells) that takes a simple 2400bps serial input and drives 2 x 7 segment
> LEDs.
>
> I'd like to drive a 4 digit and a 2 digit display for my altimeter (the 4
> digits for the baro setting, the 2 digits for the thousands of feet). The
> serial line 'splitter' that I'm using to drive a couple of steppers (one
> being the altimeter) has 3 spair outputs to drive 3 more serial devices.
>