Helper library for the SCD30 CO2 sensor
Project description
Introduction
Helper library for the SCD30 CO2 sensor
Dependencies
This driver depends on:
Please ensure all dependencies are available on the CircuitPython filesystem. This is easily achieved by downloading the Adafruit library and driver bundle.
Installing from PyPI
On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally from PyPI. To install for current user:
pip3 install adafruit-circuitpython-scd30To install system-wide (this may be required in some cases):
sudo pip3 install adafruit-circuitpython-scd30To install in a virtual environment in your current project:
mkdir project-name && cd project-name
python3 -m venv .venv
source .venv/bin/activate
pip3 install adafruit-circuitpython-scd30Usage Example
import time
import board
import adafruit_scd30
# SCD-30 has tempremental I2C with clock stretching, datasheet recommends
# starting at 50KHz
i2c = busio.I2C(board.SCL, board.SDA,frequency=50000)
scd = adafruit_scd30.SCD30(i2c)
while True:
# since the measurement interval is long (2+ seconds) we check for new data before reading
# the values, to ensure current readings.
if scd.data_available:
print("Data Available!")
print("CO2:", scd.CO2, "PPM")
print("Temperature:", scd.temperature, "degrees C")
print("Humidity:", scd.relative_humidity, "%%rH")
print("")
print("Waiting for new data...")
print("")
time.sleep(0.5)Documentation
API documentation for this library can be found on Read the Docs.
For information on building library documentation, please check out this guide.
Contributing
Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.
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