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Which is serial port does arduino serial monitor use?


Asked by Holly Stevens on Dec 11, 2021 Arduino



On Arduino boards, the main hardware serial port is used for programming and sending messages to the Arduino Serial Monitor. Many projects and website may advise you to use SoftwareSerial or NewSoftSerial to communicate with serial devices, like GPS modules or Modbus controllers.
Accordingly,
The Arduino Uno has only one hardware serial port because the microcontroller used on the Uno has only one built-in serial port. The Arduino MEGA 2560 and Arduino Due both have 3 extra hardware serial ports.
Also, Serial Port Monitor is a professional software application that allows reading and recording serial data going through your computer’s serial ports. The program is a big help for those who develop and debug software and hardware solutions that use COM ports for serial data transfer.
In respect to this,
Normally, a serial port is a male port, while a parallel port is a female port. System resource configurations are chosen for each port and are identified by COM1, COM2, COM3, COM4, and so forth. Each COM position represents an input/output (I/O) and an interrupt request (IRQ) address.
Additionally,
SoftwareSerial Library. The Arduino hardware has built-in support for serial communication on pins 0 and 1 (which also goes to the computer via the USB connection). The native serial support happens via a piece of hardware (built into the chip) called a UART.