This repository contains all the necessary files for making an extremely low-cost pressure sensor design for ventilators. The sensor module is based on Bosch's BM280 pressure sensor. This sensor is commonly used in our smartphones and should be readily available within a market. Information for other sensors will be added soon.
The project is work-in-progress and the following objectives are expected to be achieved by Apr 5th, 2020.
- Design concept: done
- Part availability and stock info: done (see section below)
- Datasheets and Technical inforL done
- Circuit diagram and PCB files: pending
- CAD files for 3D printing: pending
- Assembly instructions: pending
- dFMEA risk analysis for use in medical devices: pending
Stock availability of the sensor: As of now (Apr 2, 2020), close to 175 thousand pcs of BMP280 barometric pressure sensors are available in stock. Being a part which is frequently used in cellphones and health monitoring products, a lot more should be readily available at offline stores and warehouses.
Consolidated source list 1: https://octopart.com/bmp280-bosch+tools-26451306#PriceAndStock
Consolidated source list 2: https://octopart.com/bmp280-bosch+sensortec-51879412?r=sp#
Bosch Sensortec BMP280 sensor driver: https://github.com/BoschSensortec/BMP280_driver
Please feel free to fork or join the project.