Instructions

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Go to Interface Options → and activate I2C.
Now open the config.txt to reduce the I2C baudrate.
sudo reboot
Save with CTRL + O and exit the editor with CTRL + X. Now restart the
Raspberry Pi:
sudo nano /boot/config.txt
Add the following line there:
dtparam=i2c_baudrate=10000
Now execute the following command:
sudo pigpiod
You can now enter the following command to start the code example. In
the code example you will see the eCO
2
and TVOC output every second
and the sensor is in mode 1 by default.
python3 /home/pi/CCS811V1-Python/ccs811.py