Project Freeflow

This project isn't a ventilator design itself, it's a flow sensor which can be used as a component of a ventilator or as a stand alone device to monitor a patient being serviced by a simple ventilator. Please see the pdf file for details of the project status, or for the most up to date information check the on-line version of that document available here: https://docs.google.com/document/d/127310TqCVPtowsmjUzyfOmYcXq1HV1dPNR5XMiQxln8/edit?usp=sharing The pcb design (schematic and layout) as well as firmware are available here: https://github.com/sglow/freeflow Please contact me if you think this sensor would be useful for your design.