Inputs are used to get information about what is happening in the real world. For example, you can check if the button is pushed or not by using thedigitalRead()command. Or you can check the temperature in the room by connecting a temperature sensor and using theanalogRead()command. By c...
Thebaudrate (the symbol is "Bd") is unit we use to describe the "speed" of communication between the two electronic devices. Your computer and the Arduino talk via theUSB/RS-232or similar (serial) interface. There are a few parameters that control this communication, but all of them are...