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

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