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

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發送短信 : Offline peer-to-peer communication system using ESP32 in the event of infrastructure failure