Thanks for replying @LarryD. But I have one question: In the step where I have to open Serial Monitor I don't see anything, I see only strange characters (I have uploaded code and correctly selected serial port 'baud'), how to fix this?
Thanks for replying @LarryD. But I have one question: In the step where I have to open Serial Monitor I don't see anything, I see only strange characters (I have uploaded code and correctly selected serial port 'baud'), how to fix this?