I just started trying to use KiCad (complete newbie), and I have a very basic question about using power inputs with hierarchical sheets.
Let's say I want a single LED on a hierarchical sheet, while my main sheet simply contains a battery.
Should I use hierarchical labels to connect power from the main sheet to my hierarchical sheet, or is there another way?
For instance, the main sheet:
And the hierarchical sheet:
Is this the correct solution? I initially tried to used the
GND elements in my hierarchical sheets (many of them in a single sheet), but KiCad complains that some of them are not driven.
I found lots of topics discussing this, but nothing I can really understand, nor related to hierarchical sheets.
If I need to use hierarchical labels for connecting power, then when should I use