On Wednesday, Mar 17, 2004, at 14:01 US/Pacific, Jan-Erik Soderholm
wrote:

> Another alternative to drive 4 displays can be found here :
> http://www.voti.nl/shop/products_1.html#IC-MM5450
>
> Drives 4 displays directly without multiplexing with
> serial input (uses just a few PIC pins).
>
Yuck.  It's huge.  The circuit described by the OP is used in lots of
projects that I've seen.  With only 4 digits, it "ought" to be bright
enough.  Maybe you need to look for a brighter display :-)

BillW

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