Using PyBBIO to post weather data to ThingSpeak.com

weather_station.py

import requests
from bbio import *
from bbio.libraries.BMP183 import BMP183
from bbio.libraries.HTU21D import HTU21D

bmp = BMP183(SPI0)
htu = HTU21D(I2C2)

API_KEY = "0000000000000000" # Put your API key here

def postData(*data):
  url = "https://api.thingspeak.com/update"
  params = {'api_key' : API_KEY}
  for i in range(0, len(data)):
    params['field%i' % (i+1)] = data[i]
  print params
  response = requests.post(url, params=params)
  print response

def setup():
  pass

def loop():
  pressure = bmp.getPressure() / 1000.0 # in kPa
  rh = htu.getHumidity()
  temp = htu.getTemp()
  dew_point = htu.calculateDewPoint(rh, temp)
  postData(temp, rh, pressure, dew_point)
  delay(30000)

run(setup, loop)