MIT E-Vent v2 - Printable with HybridStepper
Description
Emergency ventilator based on the MIT E-Vent project. Specifically v2 T-Slot version. Fully printable mechanicals, with some standard optimizations like brass inserts and cut-outs where material is unneeded. https://e-vent.mit.edu I used a hybrid-stepper to drive this updated design. I control the motor with a ROSpy pkg. Its a quick and simple SW-only motor driver, its only a proof of concept. I'm working on a ROSserial-arduino based driver that will be more reliable. My intention is to build the basic motor driver as a ROS package and use high-level, more advanced robotics packages to handle the more complex aspects of a ventilator. I'm publishing my software here: https://github.com/elXaptation/ventservo/ Details to wire-up the RPi to the stepper-driver, build and use the ROS pkg are in the github repo README. Including how to configure and operate the systems using the ROS services and topic publisher. Here I've included a spreadsheet with print plan, bill of materials and photos of the operating machine.
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