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CircuitPython driver for the BMP280
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examples s/bme/bmp in examples/bmp280_normal_mode.py May 2, 2019
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README.rst

Introduction

Documentation Status Discord Build Status

CircuitPython driver from BMP280 Temperature and Barometic Pressure sensor

Installation and 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 from PyPI. To install for the current user:

pip3 install adafruit-circuitpython-bmp280

To install system-wide (this may be required in some cases):

sudo pip3 install adafruit-circuitpython-bmp280

To install in a virtual environment in your current project:

mkdir project-name && cd project-name
python3 -m venv .env
source .env/bin/activate
pip3 install adafruit-circuitpython-bmp280

Usage Example

import board
import digitalio
import busio
import time
from adafruit_bmp280 import adafruit_bmp280

# Create library object using our Bus I2C port
i2c = busio.I2C(board.SCL, board.SDA)
bmp280 = adafruit_bmp280.Adafruit_BMP280_I2C(i2c)

# OR create library object using our Bus SPI port
#spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
#bmp_cs = digitalio.DigitalInOut(board.D10)
#bmp280 = adafruit_bmp280.Adafruit_BMP280_SPI(spi, bmp_cs)

# change this to match the location's pressure (hPa) at sea level
bmp280.seaLevelhPa = 1013.25

while True:
    print("\nTemperature: %0.1f C" % bmp280.temperature)
    print("Pressure: %0.1f hPa" % bmp280.pressure)
    print("Altitude = %0.2f meters" % bmp280.altitude)
    time.sleep(2)

Contributing

Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.

Documentation

For information on building library documentation, please check out this guide.Travis will. This is a good way to locally verify it will pass.

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