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November 26, 2018 09:29
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upload am2320 data (temperature and humidity) to firebase realtime database.
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#!/usr/bin/env python | |
import smbus | |
import time | |
from datetime import datetime | |
from firebase import firebase | |
from pytz import timezone | |
i2c = smbus.SMBus(1) | |
address = 0x5c | |
firebase = firebase.FirebaseApplication('https://[your-project-name].firebaseio.com/', None) | |
def get_temp_hum(): | |
try: | |
i2c.write_i2c_block_data(address,0x00,[]) | |
except: | |
pass | |
time.sleep(0.003) | |
i2c.write_i2c_block_data(address,0x03,[0x00,0x04]) | |
time.sleep(0.015) | |
block = i2c.read_i2c_block_data(address,0,6) | |
humidity = ((block[2] << 8) + block[3]) / 10.0 | |
temperature = ((block[4] << 8) + block[5]) / 10.0 | |
return temperature, humidity | |
while True: | |
temp, hum = get_temp_hum() | |
data = {'temperature': temp, 'humidity':hum} | |
timestamp = datetime.now().strftime('%s') | |
try: | |
firebase.put('/datas', timestamp, data) | |
except: | |
pass | |
time.sleep(600) |
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