發送短信 : Embedded system application development on raspberry Pi 3 : smart home safety and alert system for elderly (elderwise)

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| || | ||   / _ \\   / ____||  /_   _//  / ____|| 
| '--' ||  | / \ || / //---`'   -| ||-  / //---`' 
| .--. ||  | \_/ || \ \\___     _| ||_  \ \\___   
|_|| |_||   \___//   \_____||  /_____//  \_____|| 
`-`  `-`    `---`     `----`   `-----`    `----`