To me, the most surprising thing about the fedi defibrillator thread was the complete lack of people explaining how they've made an open hardware defibrillator.
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@neil I got the capacitors from roadside microwaves.
@neil "look technically the device you're referring to as defibrillator is actually GNU/defibrillator"
@neil one wonders how they got it certified as a medical device?
:-)
@neil
There might be a project but the devs a still fighting over which distro to use.
@neil without having read this thread, I mildly panic when I hear the words “open hardware” and “defibrillator” together.
But that is just my intuition. Perhaps I am only thinking of the problems.
Medical device safety and security standards are a good example of regulatory capture. They are very hard to comply with, which helps keep new companies out of the market, but they provide little benefit. You must provide a huge book of evidence documenting your design and evaluation process. But there is no third-party auditing of any software.
You can ship an injector that supports milligrams and micrograms as quantities, shows the number of either in a large display with a tiny display for the units that’s almost impossible to read and defaults to whatever the last use was. And then completely escape liability and blame it on the nurse when it repeatedly kills people.
You can ship a pacemaker that has remote monitoring and diagnostic functionality, including a test mode that stops the heart, with no meaningful security on the wireless connection.
Both of these are real examples.
"It is just an ESP32, a few LiPos, and some conductive pads from AliExpress which I think are meant to be used for loosening wallpaper. I've added a Wi-Fi controller."