74LS47

Forum 2005-2010 (read only) Hardware Interfacing
1

Hi,

i'm searching how to connect a 74LS47 to arduino for drive an seven segments display (common anode), i just wired up the inputs to four digital pins but the display doesn't works :cry:

do i need something more?

thanks

zea

2

i have an codding mistake :P.

It works just wiring the inputs to four digital pins, and changing the pin states according to the datasheet.

3

i have an codding mistake

Dam fish they get in everywhere. :slight_smile: