You should try the forum search- this question has been raised a few times and there are 2-3 build threads showing people using illuminated buttons, here’s an example: Picade illuminated buttons advice needed?
And another: Picade buttons / Stick
You should try the forum search- this question has been raised a few times and there are 2-3 build threads showing people using illuminated buttons, here’s an example: Picade illuminated buttons advice needed?
And another: Picade buttons / Stick