Install the arduino IDE

1. Install the Board Package:

2. Configure the Board:

If port number does not show in the IDE , double click the button on the board , led shows two nodes

Pulsating green showed the port number in the IDE

To test the board with an example File > Examples > 01.Basics > Blink.

Note that Nicla is a active low system , so when passed high , it gives low output

Tested every micro usb cable , 1 turned out faulty

image.png