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Showing content from https://github.com/sparkfun/Qwiic_CCS811_Py below:

sparkfun/Qwiic_CCS811_Py: Python module to interface with the Qwiic CCS811 Board

Python module for the qwiic ccs811 sensor, which is part of the SparkFun Qwiic Environmental Combo Breakout

This python package is a port of the existing SparkFun CCS811 Arduino Library

This package can be used in conjunction with the overall SparkFun qwiic Python Package

New to qwiic? Take a look at the entire SparkFun qwiic ecosystem.

Your system might need modification. See this note.

• Supported Platforms
• Dependencies
• Installation
• Documentation
• Example Use

The qwiic CCS811 Python package current supports the following platforms:

• Raspberry Pi
• NVidia Jetson Nano
• Google Coral Development Board

This driver package depends on the qwiic I2C driver: Qwiic_I2C_Py

The SparkFun qwiic CCS811 module documentation is hosted at ReadTheDocs

This repository is hosted on PyPi as the sparkfun-qwiic-ccs811 package. On systems that support PyPi installation via pip, this library is installed using the following commands

For all users (note: the user must have sudo privileges):

sudo pip install sparkfun-qwiic-ccs811

For the current user:

pip install sparkfun-qwiic-ccs811

To install, make sure the setuptools package is installed on the system.

Direct installation at the command line:

To build a package for use with pip:

A package file is built and placed in a subdirectory called dist. This package file can be installed using pip.

cd dist
pip install sparkfun_qwiic_ccs811-<version>.tar.gz

For this sensor to work on the Raspberry Pi, I2C clock stretching must be enabled.

To do this:

• Login as root to the target Raspberry Pi
• Open the file /boot/config.txt in your favorite editor (vi, nano ...etc)
• Scroll down until the block that contains the following is found:

dtparam=i2c_arm=on
dtparam=i2s=on
dtparam=spi=on

• Add the following line:

# Enable I2C clock stretching
dtparam=i2c_arm_baudrate=10000

• Save the file
• Reboot the raspberry pi

See the examples directory for more detailed use examples.

from __future__ import print_function
import qwiic_ccs811
import time
import sys

def runExample():

	print("\nSparkFun CCS811 Sensor Basic Example \n")
	mySensor = qwiic_ccs811.QwiicCcs811()

	if mySensor.isConnected() == False:
		print("The Qwiic CCS811 device isn't connected to the system. Please check your connection", \
			file=sys.stderr)
		return

	mySensor.begin()

	while True:

		mySensor.readAlgorithmResults()

		print("CO2:\t%.3f" % mySensor.getCO2())

		print("tVOC:\t%.3f\n" % mySensor.getTVOC())	

		
		time.sleep(1)


if __name__ == '__main__':
	try:
		runExample()
	except (KeyboardInterrupt, SystemExit) as exErr:
		print("\nEnding Basic Example")
		sys.exit(0)

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