Learn how to design a simple add-on board for Raspberry Pi with KiCad in 20 minutes with this new tutorial from Chris Gammell of Contextual Electronics:
Shine On You Crazy KiCad
This course shows how to make a custom but very simple piece of electronics for the Raspberry Pi platform. The primary purpose is to get users building something in KiCad as fast as possible.
The free course contains four videos:
Designing a PCB in KiCad in 20 minutes
Assembling a simple circuit board with SMD components
Writing code, blinking an LED with a Raspberry Pi
ChrisGammell has shared the board on OSH Park: