![]() USB to serial chip, can convert the USB signal into serial port signal. ![]() When the pin is HIGH value, the LED is on, when the pin is LOW, it's off. There is a built-in LED driven by digital pin 13. the value used as the top of the input range).Īrduino board can be powered via USB connector.Īll you needed to do is connecting the USB port to PC using a USB cable. Used with analogReference().Ĭonfigures the reference voltage used for analog input (i.e. Reference voltage (0-5V) for analog inputs. Using pinMode(), digitalWrite(), and digitalRead() functions. Or used as digital output pin to drive different modules like LED, relay, etc. These pins can be configured as digital input pin to read the logic value (0 or 1). Here is an explanation of what every element and interface of the board does:Īrduino MEGA has 54 digital input/output pins (of which 15 can be used as PWM outputs).
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