Datasheet

The matching COM port for your FTDI or USB-Serial cable

On a mac, you should look for the "SLAB_USBtoUART" port

Blink Test

We'll begin with the simple blink test

Enter this into the sketch window (and save since you'll have to)

void setup() {

pinMode(0, OUTPUT);

}

void loop() {

digitalWrite(0, HIGH);

delay(500);

digitalWrite(0, LOW);

delay(500);

}