發送短信 : Home energy monitoring system using wireless mesh network

 _    _    _    _     _____    _    _     ______  
| || | || | || | ||  / ____|| | || | ||  /_   _// 
| || | || | || | || / //---`' | || | ||    | ||   
| \\_/ || | \\_/ || \ \\___   | \\_/ ||   _| ||   
 \____//   \____//   \_____||  \____//   /__//    
  `---`     `---`     `----`    `---`    `--`