Over the USB port you connect the CONTROLLINO PLC with the computer (USB cable Type A-B). Don’t use to much force when connecting! The main function of this USB port is to program the CONTROLLINO. Inside the CONTROLLINO there is a USB to UART converter which generates a virtual COM-Port on the PC. You can also use this port to give data to a terminal or another program.
Board & Library Setup with Platform.io
Intro Platform.io together with VS Code is the current de-facto standard for advanced programmers to develop on Arduino boards. CONTROLLINO is natively compatible with Platform.io