Realtime Blood-Oxygen & BPM Monitoring App

App that monitors BPM & Blood-Oxygen of user(patient).
Records health data on daily basis.
User can login or signup using email-OTP.
Each user will be provided unique hardware ID Device ID.
Hardware is ESP8266 implemented with sensor MAX30100.
After signup with valid Device ID user will see dashboard.

Then user can turn on the Device and it will start updating live data.

User can view history

Interactive graph

The device and server should be runing on the same wifi network or we can shift it in online in further development.

Technologies & hardware

Frontend

• Vanilla Javascript, CSS, HTML | Single page App
• Custom touch-reactive-graph to show saved data
• Modern UI

Backend

• Express JS
• Multi User
• JWT Authentication, Authorization, OTP via email, no-password signup
• Realtime data

Hardwares

• ESP8266 development board
• MAX30100 Sensor
• Battery
• BMS
• Micro USB Cable

Schematic

Will be available soon

Hardware setup & Flashing

Note: Arduino IDE should be installed

Download source code for ESP8266 and flash from arduino IDE

Software Setup & Running App (localhost)

Prerequisite: Node JS & NPM Installed

1. Cloning repository to local

git clone https://github.com/45h1m/OxiLive.git
cd OxiLive

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2. Create .env file on app root directory

Here you put all private & sensitive information as environment variables. eg:

EMAIL_USER=oxilive.app@gmail.com
EMAIL_PASSWORD="app password of gmail"
JWT_SECRET=I34Y879RYHUIHHHYFH3YR38

EMAIL_USER From the email OTP will be sent

EMAIL_PASSWORD Add new app in email account with new password

App password & email account password are diffrent, you can know more about.

JWT_SECRET Long random string, used for authentication

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3. Install Node Modules

npm i

4. Start Local Server

npm start

App shound be up & running on localhost:80

Open browser and visit http://localhost:80

Client App should load:

API Endpoints

/account

• [POST] /generate

• [POST] /verify

• [POST] /signup

• [POST] /userData

• [POST] /delete

/device

• [POST] /dates

• [POST] /dates/date

• [POST] /realtime

• [POST] /update/deviceID?oxygen=99&bpm=78

View source code