@hummingrain Work in progress draft: https://github.com/ajroach42/ajroach42.github.io/blob/master/_drafts/2019-07-23-diy-media-toolkit.md
I have a lot more to say, specifically about software, and about actually making media, and I need to add a bunch of links to the hardware section.
I'm also still working on the "why" section, but that's a start.