In uno's code I define something like that:
byte start_b;
byte b1;
....
start_b=0xFF;
b1= ...
...
Serial.print(start_b);
Serial.print(b1);
....
In uno's code I define something like that:
byte start_b;
byte b1;
....
start_b=0xFF;
b1= ...
...
Serial.print(start_b);
Serial.print(b1);
....