library I/O ports - serial port communication in C# using the .NET framework. library serial arduino -communication between the Arduino board and a computer or other devices.

About A modular Arduino-based plant irrigation system that uses UART serial communication to send soil moisture data to a Python desktop interface (alternatively C# windows forms application). Built ...

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.

It generates the clock, acts like a serial port, acts like a disk drive, and so on. However, the ATMega32 doesn’t directly have Arduino IDE support so you have to install a toolchain for it.