I found John Winans' (John's Basement) KiCad tutorial very helpful - though I watched a lot of it at 1.25-1.5x playback speed. Playlist here: https://www.youtube.com/playlist?list=PL3by7evD3F51fKkyrUbH-PCdwPCWc9F8a
Don't be put off by the number of videos - he tends to ramble but discusses a...