1_BME280

安装BME280库

sudo pip3 install adafruit-circuitpython-bme280

获取BME280地址

sudo i2cdetect -y 3

import board
import digitalio
import busio
import time
import adafruit_bme280

# Create library object using our Bus I2C port
i2c = busio.I2C(board.SCL, board.SDA)
#bme280 = adafruit_bme280.Adafruit_BME280_I2C(i2c)
#or with other sensor address
bme280 = adafruit_bme280.Adafruit_BME280_I2C(i2c, address=0x76)

# OR create library object using our Bus SPI port
#spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
#bme_cs = digitalio.DigitalInOut(board.D10)
#bme280 = adafruit_bme280.Adafruit_BME280_SPI(spi, bme_cs)

# change this to match the location's pressure (hPa) at sea level
bme280.sea_level_pressure = 1013.25

while True:
    print("\nTemperature: %0.1f C" % bme280.temperature)
    print("Humidity: %0.1f %%" % bme280.relative_humidity)
    print("Pressure: %0.1f hPa" % bme280.pressure)
    print("Altitude = %0.2f meters" % bme280.altitude)
    time.sleep(2)

3_Orange pi_BME280

1_BME280