Skip to main content

Shop
Learn
Blog
Forums
IO
LIVE!
AdaBox

Search

Sign In | Create Account
Playground
New Guides
Series
Wishlists

Shop
Learn
Blog
Forums
IO
LIVE!
AdaBox

Sign In

0

Learn Categories

3D Printing

AdaBox

Adafruit Products

Arduino Compatibles

Breakout Boards

Circuit Playground

CircuitPython

CLUE

Community Support

Components

Crickit

Customer & Partner Projects

Development Boards

Educators

EL Wire/Tape/Panel

Feather

Gaming

Hacks

Internet of Things - IOT

LCDs & Displays

LEDs

Machine Learning

MakeCode

Maker Business

micro:bit

Microcontrollers

Programming

Raspberry Pi

Robotics & CNC

Sensors

STEMMA

Tools

Trellis

Wearables

Explore

Groups to get your gears turning

Explore Groups
New Guides
Playground

Introducing ItsyBitsy 32u4 Downloads

Introducing ItsyBitsy 32u4

by lady ada

published January 03, 2018, last edited May 01, 2024

posted in Microcontrollers Arduino Compatibles Development Boards

Save

New Favorite

×

Please sign in to include this guide in your list of favorites.

You will be redirected back to this guide once you sign in, and can then save this guide as one of your favorites.

Close

Download

Overview
Pinouts
Arduino IDE Setup
Using with Arduino IDE
Downloads

Single page
Feedback? Corrections?

Featured Products view all

Adafruit ItsyBitsy 32u4 - 3V 8MHz

$9.95
Add to Cart
Adafruit ItsyBitsy 32u4 - 5V 16MHz

$9.95
Add to Cart
Adafruit LiIon/LiPoly Backpack Add-On for Pro Trinket/ItsyBitsy

$4.95
Add to Cart

38

Beginner

Project guide

Downloads

Files

EagleCAD files for both 3V and 5V 32u4 ItsyBitsy's
Fritzing files for both types in the Adafruit Fritzing library
PDF for ItsyBitsy 32u4 3V Board Diagram on GitHub
PDF for ItsyBitsy 32u4 5V Board Diagram on GitHub

SVG for ItsyBitsy 32u4 3V Board Diagram

SVG for ItsyBitsy 32u4 5V Board Diagram

Bootloaders

Caterina_itsybitsy3V.hex

Caterina_itsybitsy5V.hex

ItsyBitsy 3V

Schematic & Fabrication print

The 3.3V schematic regulator should be AP2112K-3.3

ItsyBitsy 5V

Schematic & Fabrication print

Page last edited March 08, 2024

Text editor powered by tinymce.

Using with Arduino IDE

Related Guides

Adafriend the Virtual Pet Cube

Adafriend the Virtual Pet Cube

By John Wall

154

Beginner

Trinket “Question Block” Sound Jewelry

Trinket “Question Block” Sound Jewelry

By Phillip Burgess

12

Intermediate

Pocket Galaxy

Pocket Galaxy

By James DeVito

169

Beginner

Portable Trellis Sound Board

Portable Trellis Sound Board

By Ruiz Brothers

85

Beginner

Introducing Pro Trinket

Introducing Pro Trinket

By lady ada

120

Intermediate

Supernova Poi

Supernova Poi

By Erin St Blaine

88

Beginner

CircuitPython Animated Sprite Pendants

CircuitPython Animated Sprite Pendants

By Ruiz Brothers

39

Beginner

LO-LA59 Droid

LO-LA59 Droid

By Ruiz Brothers

63

Beginner

Portable Mini Timelapse Camera

Portable Mini Timelapse Camera

By Ruiz Brothers

81

Beginner

Adafruit Airlift Bitsy Add-On - ESP32 WiFi Co-Processor

Adafruit Airlift Bitsy Add-On - ESP32 WiFi Co-Processor

By Bryan Siepert

14

Beginner

Grey PlayStation game controller with no wire sitting on a black background with white grid

ESP32 PlayStation Controller

By John Park

4

Intermediate

Motorized Turntable

Motorized Turntable

By Liz Clark

61

Beginner

Genesis Poi: DotStar LED Persistence-of-Vision

Genesis Poi: DotStar LED Persistence-of-Vision

By Phillip Burgess

81

Beginner

Animated Scrolling "Mario Clouds" TFT Jewelry

Animated Scrolling "Mario Clouds" TFT Jewelry

By Phillip Burgess

41

Intermediate

Purple People Eater

Purple People Eater

By Ruiz Brothers

39

Intermediate

Create Wishlist

×

Title

Description

Close

Search

Search

Categories

Contact Us
Tech Support Forums
FAQs
Shipping & Returns
Freebies
Terms of Service
Privacy & Legal
Website Accessibility

About Us
Press
Educators
Distributors
Jobs
Gift Cards

"He who receives an idea from me receives it without lessening me, as he who lights his candle at mine receives light without darkening me"

Thomas Jefferson

A Minority and Woman-owned Business Enterprise (M/WBE)