Das deutsche Python-Forum

Code: Alles auswählen

import time
import smbus2
import bme280

# BME280 sensor address (default address)
address = 0x77

# Initialize I2C bus
bus = smbus2.SMBus(1)

# Load calibration parameters
calibration_params = bme280.load_calibration_params(bus, address)

# def celsius_to_fahrenheit(celsius):
#     return (celsius * 9/5) + 32

while True:
    try:
        # Read sensor data
        data = bme280.sample(bus, address, calibration_params)

        # Extract temperature, pressure, and humidity
        temperature_celsius = data.temperature
        pressure = data.pressure
        humidity = data.humidity

        # Print the readings
        print("Temperature: {:.2f} °C".format(temperature_celsius))
        print("Pressure: {:.2f} hPa".format(pressure))
        print("Humidity: {:.2f} %".format(humidity))

        # Wait for a few seconds before the next reading
        time.sleep(2)

    except KeyboardInterrupt:
        print('Program stopped')
        break
    except Exception as e:
        print('An unexpected error occurred:', str(e))
        break

Code: Alles auswählen

>>> %Run BME280_2.py
Traceback (most recent call last):
  File "/home/mib/Python3/BME280_2.py", line 12, in <module>
    calibration_params = bme280.load_calibration_params(bus, address)
AttributeError: module 'bme280' has no attribute 'load_calibration_params'
>>> 

Code: Alles auswählen

import time
import smbus2
import bme280

# BME280 sensor address (default address)
ADDRESS = 0x77

def main():
    bus = smbus2.SMBus(1)
    calibration_params = bme280.load_calibration_params(bus, ADDRESS)

    try:
        while True:
            # Read sensor data
            data = bme280.sample(bus, ADDRESS, calibration_params)

            print(f"Temperature: {data.temperature:.2f} °C")
            print(f"Pressure: {data.pressure:.2f} hPa")
            print(f"Humidity: {data.humidity:.2f} %")

            # Wait for a few seconds before the next reading
            time.sleep(2)
    except KeyboardInterrupt:
        print('Program stopped')

if __name__ == "__main__":
    main()