發送短信

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

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發送短信 : A 24*7 patrolling mobile robot (part 1 - navigation)