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  ______     ___      _____    _    _     _____   
 /_____//   / _ \\   |__  //  | || | ||  /  ___|| 
 `____ `   / //\ \\    / //   | || | || | // __   
 /___//   |  ___  ||  / //__  | \\_/ || | \\_\ || 
 `__ `    |_||  |_|| /_____||  \____//   \____//  
 /_//     `-`   `-`  `-----`    `---`     `---`   
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發送短信 : Child management and monitoring system using bluetooth low energy