Building an Open Source Artificial Pancreas

This page will always be updated with the most recent version of this talk.

Full session: The latest version is 1.4 which was given at Strange Loop on 9/14/2019.

Lightning Talk: The latest version is 1.3 which was given at !!Con on 5/11/2019.


Slides (full, PDF) Slides (lightning talk)


Strange Loop (2019, 40 min):

Older videos: PyCon (2019, 30 min version): !!Con (2019, 10 min version):


Date Type Version Venue
8/17/2018 Lightning Talk 1.0 Self.Conference
9/27/2018 Lightning Talk 1.1 Strange Loop
1/9/2019 Lightning Talk 1.2 Code Mash
3/3/2019 Conf Session 1.0 Penguicon
3/4/2019 Conf Session 1.1 PyCon US
3/11/2019 Lightning Talk 1.3 !!Con
6/7/2019 Conf Session 1.2 Self.Conference
8/7/2019 Conf Session 1.3 THAT Conference
9/14/2019 Conf Session 1.4 Strange Loop
10/11/2019 Opening Keynote 1.5 DevSpace Technical Conference
1/?/2020 Conf Session ? Code Mash


Have you ever thought about what open source software or hardware could achieve? What if it could help improve people’s lives by solving some of their health problems?

After the medical tech industry kept promising a system to help automatically manage insulin for type 1 diabetic people and never delivering, some people got together to find ways to do it with the tech they already had. Over the past few years, a “closed-loop” system has been developed to algorithmically regulate people’s insulin levels. After reverse engineering bluetooth sensors and 915 MHz insulin pumps, the system became possible. As a diabetic, I also built this system and saw my sugar values stabilize much more than I could ever achieve doing it manually myself. Now I’m working on contributing back to the projects as well.

I want to talk about this system, from a technical side as well as a personal side. You’ll learn about OpenAPS (the open artificial pancreas system) and how it works, what problems it solves, and its safety and security concerns. You’ll see how the system has helped me and what this means for my health now and in the future. Ultimately, you’ll see how we, as software developers, can change people’s lives through the code we write.