I joined a team that stated at Florida-U to build an Open Source Ventilator. Project is underway with dedicated PCB prototypes already being assembled/tested. More details about the overall project at:
The code uses a low cost LCD and 3 buttons as UI. It tracks pressure sensors and drives a stepper motor.
As Florida-U uses existing positive pressure sources I have not yet added stepper motor feature but I am looking for a team that needs to control a squeezer mechanism. We could join forces to build/test/improve this feature.
Code is GPL-3 licensed. Be free to clone/branch our repo:
Note: auto-notifications for the forum is off. I will check this thread once every two days or so. In case you need to contact me then be free to write an email to: mv_email@yahoo.com
BTW.... there are 2~3 HW controllers going to use customized PCB's according to parts available.
Following is the HW being developed by Florida-U (not yet in the UF github but in Ashhar's):
They are now working of rev 2. I guess some changes on LCD and valve drivers. Florida-U PCB design is also GLP licensed.
A second controller has been designed for mass production using SMD (microcontroller on PCB rather than via Arduino board). I am not sure about its license so I am not sharing here.
A third one I am also not so sure as the PCB design was not shared yet.
Be free to clone the code and add support for your controller.
Project is awesome, just a simple recommendation. Instead of using this 20x4 LCD, you should use TFT LCD. It will improve the presentation as ventilator is an expensive item.
