zeroskj1988
Member level 2
i want to drive 12 digit seven segment. i am using common anode (positive) seven segment. i connect segment to directly to pic16f877a's portb. since due to deficiency of pin. i use cd4514 demux to drive common anode of the seven segment. since output current of cd4514 is very much less. seven segment light dull. can anybody suggest me remedy for this.