Problem with OLED Display Voltages (String Command) using transmitter and Receiver

[red_car]

The point was that it is a bad idea to redefine a variable - "i" in this case.

@mubashirazmat

makes no sense,

Um... it makes perfect sense. I'm not sure what you are expecting?

I think the problem you should focus on it including a float value in the middle of a string.