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.

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.

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 ...

If you use the Arduino IDE to program the ESP32, you might be interested in [Andreas Spiess’] latest video (see below). In it, he shows an example of using all three ESP32 UARTs from an Arduino ...