🌦️Weather Crouton

BME280 Temperature, Humidity, & Pressure Sensor

Front

Back

Product Page

https://shop.breadstick.ca/products/weather-crouton

Circuit Python Library

https://github.com/adafruit/Adafruit_CircuitPython_BME280

BME280 Datasheet

https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf

Code

"""
Weather Crouton (BME280) Demo Code
Breadstick Innovations
April 7, 2024
https://learn.breadstick.ca/breadstick/breadsticks/support-boards/i2c-devices/weather-crouton
"""

import board
import time
from adafruit_bme280 import basic as adafruit_bme280

crouton_i2c = board.I2C()  # Default Breadstick I2C pins D11(SCL) & D12(SDA)
bme280 = adafruit_bme280.Adafruit_BME280_I2C(crouton_i2c)  #

# Sea Level Pressure is defined as 1013.25 hPa
# This number is used for calculating bme280.altitude in meters
bme280.sea_level_pressure = 1013.25

# Uncomment this line if you want to calibrate the altitude to your location
# Warning - natural changes in air pressure will affect altimeter measurements
bme280.sea_level_pressure = bme280.pressure

while True:
    temp = bme280.temperature
    hum = bme280.relative_humidity
    pres = bme280.pressure
    alt = bme280.altitude

    plotter_data = (alt,)  # Mu's Plotter only displays tuples, this is a single object tuple

    print(plotter_data)
    print(f"Temperature: {temp} °C")
    print(f"Humidity: {hum} %")
    print(f"Pressure: {pres} hPa")
    print(f"Altitude: {alt} m")
    print("")

    time.sleep(0.1)