How to make wait/pause the sketch for Arduino IDE serial console to open.

pause_sketch_for_console.ino

void setup() {
  Serial.begin(9600);
  // Wait for the users to turn on the serial monitor and press the enter key to continue.
  while (!Serial.available()) {
    ; // Wait for enter key;
  }
  // put your setup code here, to run once:
}



void loop {
  // put your main code here, to run repeatedly:
}