Too Long; Didn't Read
At this moment, there are thousands of intelligent, diligent, well-meaning engineers trying to help the design of open source ventilators to address a possibly imminent life-threatening shortage caused by the COVID-19 pandemic. This wealth of creative technical energy is currently disorganized, scattered, and unfocused. Right now there are four projects better defined than others: Low-Cost Open Source Ventilator is buildable, pressure tested, and active. We recommend that project and its creator, Johnny Lee, be given all the money and volunteer assistance it needs.