PCB Guide Part 5 - Creating the PCB
Now that the schematic is finished and footprint data has been exported, we can begin with the PCB.
Step 8. Preparing the PCB
From the KiCad menu, open the PCB file.
First, let's adjust the grid so it's fine tuned for making keyboards.
On the left pane, switch the units to mm.
Open the grid settings menu via this dropdown menu on the top toolbar:
Set the custom grid size to 0.79375mm (19.05/24). This value is just fine enough for placing diodes, and just rough enough for easily placing switches.
Set the fast switching values to custom and 5mil.
This allows fast grid switching by holding Alt+1 and Alt+2.
5mil is a value well suited for routing.
Test grid switching by holding the key combinations Alt+1 and Alt+2 in PCB editor. You will see the grid switch.
Also, this is a nice chance to tune the graphics settings to your liking, since you will be staring at this screen for a while.
In Preferences -> Preferences -> Common, adjust the graphics settings to something that looks nice, but won't blow up the GPU.
In addition, in Display Options, you can change how the grid is displayed.
I suggest using lines rather than dots, for it is much easier to view the grid this way.
Setup is complete; time to import data from the schematic.
Click the import PCB data icon on the top toolbar:
Then select the Update PCB button.