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

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Text this: Liquid level sensor using fiber bundle