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  ____     _    _   __    __     ___      ______  
 |  _ \\  | || | || \ \\ / //   / _ \\   /_   _// 
 | |_| || | || | ||  \ \/ //   | / \ ||    | ||   
 | .  //  | \\_/ ||   \  //    | \_/ ||   _| ||   
 |_|\_\\   \____//     \//      \___//   /__//    
 `-` --`    `---`       `       `---`    `--`

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發送短信 : Development of a collision warning system for personal mobility devices applications