Sometimes when your arduino is connected to a serial interface, you want to be able to obtain and process commands through that interface. For example, yo u might want to send commands to a test ...

This project demonstrates serial communication between an Arduino Uno and a computer using a C program and the libserialport library. The provided C program can send commands to the Arduino Uno to ...

While the Arduino family of boards connect to your computer using a USB virtual serial port, the ATmega ones have an actual serial connection on-board.