And most of the C or C++ I read – and all that I write, does also use indentation to make things clear. Further, I rarely put a bracket on the same line as code. There they are, with whitespace ...

Serial.println("its bright turn off the LED"); // display "its bright turn off the LED" on serial monitor and set the cursor to the new line ...

For this arduino board, a shield board was designed and solder so that the user can adjust volume and connect a guitar and also an amplifier. Two versions of this code were uploaded, first one ...