4056 - I think that chip is specially for LCDs rather than LEDs - you need a higher current output for LEDs, the 4511 is one I used in a previous universe(!) for common-cathode displays. Latches and does bcd -> 7seg
4056 - I think that chip is specially for LCDs rather than LEDs - you need a higher current output for LEDs, the 4511 is one I used in a previous universe(!) for common-cathode displays. Latches and does bcd -> 7seg