Okay, I must save C in a variable and not its value in hexadecimal. I receive by the serial port 0x43 and I must send by another serial port C.
and if you forgive, forget to put it in uppercase 
Okay, I must save C in a variable and not its value in hexadecimal. I receive by the serial port 0x43 and I must send by another serial port C.
and if you forgive, forget to put it in uppercase