Thank you @RicharDL, my arduino is not a fake and my COM is the good , i add @glv code ( thank you 
by the way) and it show me values. 40 ms was a very good call , thank you again.
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Thank you @RicharDL, my arduino is not a fake and my COM is the good , i add @glv code ( thank you by the way) and it show me values. 40 ms was a very good call , thank you again.