Spaces in sheet name

Schematic
1

Hi all,

I am recreating in KiCad an existing schematic available only as an image. I am also using hierarchical sheets to simplify the original “all in one sheet” design.

Is it legal—or wise—to have spaces in the Sheet name?
For example, I am using “Joystick Ports” as sheet name and joystick.sch as file name.

Thanks.

2

Sheet name is just a comment really. I usually have spaces in mine.
File names should not have spaces for portability across operating systems, I use underscore to avoid this

3

Hi David,
Thanks for replying.

I asked because I remembered that the Sheet Name was somehow involved in the creation of net names and I wasn’t sure whether spaces could affect other tools consuming the netlist.

I have re-read the Eeschema manual and it seems I was wrong. It’s the Sheet Number that is used to generate net names.

Anyway, I’ll see what happens once I finish my design and run DRC :grin:

4

KiCad internal tools will handle spaces at places where KiCad allows you to include them. You will most likely never run into problems even if used in a file name. However, if you use external tools like for example a BOM script then you could run into trouble if that script is not setup to handle spaces correctly.

5

That doesn’t sound correct ? All the netnames I have seen have the Sheet Name, and that may contain spaces. e.g. from currently open project

    (net (code 62) (name "/Small PCB/LCD_RW")
      (node (ref LCD1) (pin 5))
      (node (ref J10) (pin 4)))
    (net (code 63) (name "/Small PCB/LCD_EN")
      (node (ref J10) (pin 6))
      (node (ref LCD1) (pin 6)))
    (net (code 64) (name "/Small PCB/LCD_RS")
      (node (ref LCD1) (pin 4))
      (node (ref J10) (pin 8)))
6

So, maybe I remembered correctly.

In Simple labels it says that numbers are used but maybe for a different reason (i.e. for making local labels unique.)

@bobc what type of labels are the ones you quoted in your example?

7

They are local labels. I am fairly certain that part of the manual refers to an old version of KiCad, and it is no longer correct.

8

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