• 新興科技物聯網應用─使用樹莓派

智聯感測

• 講義

• 將溫度感測器的數值使用機器人程式自動送到客製化網站

  import requests
  import time
  import uuid
  import Adafruit_DHT
  
  LOGIN_URL = 'http://drweb.nksh.tp.edu.tw:3000/create/'
  headers = {
      'accept': 'text/html,application/xhtml+xml,application/xml',
      'user-agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36'
  }
  
  response = requests.get(LOGIN_URL, headers=headers, verify=False)
  
  headers['cookie'] = '; '.join([x.name + '=' + x.value for x in response.cookies])
  headers['content-type'] = 'application/x-www-form-urlencoded'
  
  GPIO_PIN = 4
  
  try:
      print("--------------")
      while True:
          h, t = Adafruit_DHT.read_retry(Adafruit_DHT.DHT11,GPIO_PIN)
          if h is not None and t is not None:
  		    mac_address = uuid.UUID(int = uuid.getnode()).hex[-12:]
              print(mac_address + "：temp={0:0.1f}".format(t))
              payload = {
                  'value1': 0,
                  'value2': format(t),
                  'value3': 0,
                  'mac_address': mac_address
              }
          else:
              print("fail,please retry")
          response = requests.post(LOGIN_URL, data=payload, headers=headers, verify=False)
          headers['cookie'] = '; '.join([x.name + '=' + x.value for x in response.cookies])
          time.sleep(60)        
  except KeyboardInterrupt:
      print('close')