CO2 Monitor

The goal of this project is a program that takes data from CO2 meter and plots it in real time to a graph

How does it look like?

This project works with this device:

UI example:

Installation

Keep in mind that this project depends on CO2mon binary, so the most reliable method of installation implies building CO2mon on your machine and putting resulting binary to ./src/server/modules/co2-sensor-data-stream/lib/.

Good news is that this repo already has bundled binary in it, so all you need is to do following steps:

• brew install hidapi (this is a part of installation process of CO2mon)
• git clone https://github.com/antipin/co2-monitor.git
• cd ./co2-monitor
• npm install
• npm run build-server
• npm run build-client
• npm run start (or, if you need sudo NODE_ENV=production sudo node ./dist/server/bin/app.js)
• http://localhost:8001

If there are any errors concerning lack of some library, I guess you should build CO2mon by yourself and replace bundled binary with builded one.

RaspberryPi

If you have issues on RaspberryPi, try to run app with sudo by: NODE_ENV=production sudo node ./dist/server/bin/app.js command.

Troubleshooting

Syntax error: "(" unexpected error

If yo see the following error

co2-sensor-data-stream.ERROR: /home/pi/co2-monitor/dist/server/modules/co2-sensor-data-stream/lib/co2mond: 1: /home/pi/co2-monitor/dist/server/modules/co2-sensor-data-stream/lib/co2mond: Syntax error: "(" unexpected

try to run app with sudo:

NODE_ENV=production sudo node ./dist/server/bin/app.js