Datasheet

Plug in the ItsyBitsy 32u4 and wait for it to be recognized by the OS (just takes a few seconds). It will create a
serial/COM port, you can now select it from the dropdown!
Now load up the Blink example
© Adafruit Industries https://learn.adafruit.com/introducting-itsy-bitsy-32u4 Page 17 of 22