Time to start soldering! Here's the schematic:
Click above picture to enlarge
I would like to say that this isnít the PCB I was looking for, so you donít have to get the same as mine. You should better get a prototyping perforated PCB.
Solder the 4511:
Solder the resistors that goes to the 7 segment displays:
Get the 4511 pins that share (+), pins 3 - 4 - 16. Get the two 4511 (+) pins together. Now do the same but with (-), pins 5 - 8.
Solder the printer cable to the 4511's inputs:
Solder the cables that will go to your 7-segment displays: