Datasheet

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Guide Contents
Guide Contents
Overview
Pinouts
Which do you have?
Power Pins
Adafruit LiIon/LiPoly Backpack Add-On for Pro Trinket/ItsyBitsy
5V Power Pins
3V Power Pins
Logic pins
Other Pins!
Arduino IDE Setup
https://adafruit.github.io/arduino-board-index/package_adafruit_index.json
Using with Arduino IDE
Install Drivers (Windows Only)
Blink
Manually bootloading
Ubuntu & Linux Issue Fix
Downloads
Files
Bootloaders
ItsyBitsy 3V
ItsyBitsy 5V
© Adafruit Industries https://learn.adafruit.com/introducting-itsy-bitsy-32u4 Page 2 of 22