發送短信 : IOT - development of a home automation system 7

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