Updated April 12, 2020
Arduino Mega Ventilator Circuit
As the ventilator gained features and became more complex, an Arduino Uno was no longer adequate. The ventilator needed more analog, digital, and communication ports. Because of this, the system was upgraded to an Arduino Mega. The Arduino Mega is connected to a prototype circuit board that interfaces with the screen, buttons, and potentiometers.
The new circuit diagram for the logic side of the circuit is as follows:
This page provides a reference design for an Arduino based circuit showing the simplest device embodiment, including pressure sensing. Other industry validated controllers are applicable.
Notice: Any circuit must fulfill the requirements described in Key Ventilation Specifications.
Please visit the Downloads page to gain access to our KiCad source files as well as the Bill of Material.
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