I jumped aboard the do-it-yourself hybrid closed-loop insulin movement two years ago when, with the help of another TuD member, I built a Loop system. The back-story of how that movement started and evolved predated my time with it. It’s an interesting story that spans the collaboration of many in the diabetes community.
The Bloomberg podcast tells a great 26-minute version of that story.
Not sure if this link will work for everyone. Once you click on the above link, click on “view in iTunes,” then mouse over the title on line one and click on the play triangle. I apologize if this doesn’t work for everyone!