i have got 4 max7129 and everything, expect for the perfboard in this project : http://www.instructables.com/id/810-LED-Matrix-with-4017/?ALLSTEPS
and for the resistor..i wasnt 100% sure
so i end up getting all 150,160, and 180ohm
I need help with the circuit.. like how to connect these components.. (e.g Schematic)