Now, let's run our first code, just to make sure everything is in order. Make sure to plug one Sparrow node into its socket on the nest board and connect the nest board to a USB port on your computer. Copy the code below and paste it in the Arduino IDE and then hit the Upload button.

After compiling and uploading, the RGB LED on the Sparrow node should blink green once a second.

Here is a video tutorial of the whole process: