gud day everyone.. im a student and i need to know more about parallel port and led matrix.. my project this sem is scrolling led matrix and i hav a hardtime just to lit up a single letter on the led matrix.. ex: if i want to lit up 2 leds but different rows and columns, i come up with a total of 4 leds to light up..note: i use 4017 johnson counter and parallel port as my controller.. im very grateful to whom help me.. thanks..
