MH-Z19 CO₂ Rest

A simple rest server running on your raspberry pi, reporting the current CO2 concentration in your room.

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This project is part of the blog article How I built my own CO2 monitor using a Raspberry Pi for Home Office.

Installation

1. Download the pre-built binary

• Go to the release page and download the latest binary for your architecture.
• Add the execute permission to the binary. This is required to run the binary. chmod +x ./mhz19-rest
• Execute the binary on your Raspberry Pi. ./mhz19-rest
• You can now access the rest api on http://[raspberry-ip]:3500/api/v1/co2

2. Build it yourself

• Clone this repository. git clone [email protected]:YNNS/mhz19-rest.git or git clone https://github.com/YNNS/mhz19-rest.git
• Build your binary
  • on the remote machine: go build -o bin/mhz19-rest main.go
  • on a local machine: GOOS=linux GOARCH=arm64 go build -o bin/mhz19-rest main.go (or GOARCH=arm if you are using a 32-bit ARM image)
• cd bin/ - Or upload the file to the remote machine.
• Add the execute permission to the binary. This is required to run the binary. chmod +x ./mhz19-rest
• Execute the binary on your Raspberry Pi. ./mhz19-rest
• You can now access the rest api on http://[raspberry-ip]:3500/api/v1/co2

Frontend

Check out the corresponding frontend here

👍 Contribute

If you want to say thank you

1. Add a GitHub Star to the project.
2. Tweet about the project on your Twitter.
3. Add some claps to the story of this project on Medium