Fetch the data of CO2 concentration and temparature and send them to influxDB. refs: https://github.com/heinemml/CO2Meter

co2meter.py

import time
from datetime import datetime

from CO2Meter import CO2Meter
from influxdb_client import InfluxDBClient, Point, WritePrecision
from influxdb_client.client.write_api import SYNCHRONOUS

token = "your token"
org = "your org"
bucket = "your bucket"

client = InfluxDBClient(
    url="your dbs url",
    token=token,
)
write_api = client.write_api(write_options=SYNCHRONOUS)

interval = 5


def main():
    sensor = CO2Meter("/dev/hidraw0")
    while True:
        data = sensor.get_data()
        now = datetime.utcnow()
        co2 = data.get("co2")
        temperature = data.get("temperature")

        if not (co2 and temperature):
            continue
        point = (
            Point("data")
            .tag("location", "my-room")
            .field("co2", co2)
            .field("temperature", temperature)
            .time(now, WritePrecision.NS)
        )
        write_api.write(bucket, org, point)

        time.sleep(interval)


if __name__ == "__main__":
    main()

co2meter.service

[Unit]
Description=Send CO2 and temparature data to influx DB
After=network.target

[Service]
Type=simple
User=pi
WorkingDirectory=/home/pi/co2meter
Environment=PYTHONPATH=/home/pi/co2meter
ExecStart=/home/pi/co2meter/.venv/bin/python3 /home/pi/co2meter/main.py
Restart=on-failure

[Install]
WantedBy=multi-user.target