This study describes the development of a simple and easy-to-build portable automated bag valve mask (BVM) compression system. which. during acute shortages and supply chain disruptions can serve as a temporary emergency ventilator. The resuscitation system is based on the Arduino controller with a real-time operating system installed on a largely RepRap 3-D printable parametric compo... https://parisnaturalfoodes.shop/product-category/echinacea-2/