Adafruit ItsyBitsy 32u4 - 5V 16MHz (AF-3677) USB bootloader AVR109 compatible (same as Flora, Feather 32u4,
Amazon.com: Pro Micro ATmega32U4 5V 16MHz Micro-USB Development Module Board with 2 Row pin Header Compatible ard-uino Leonardo Replace ATmega328 Pro Mini : Electronics
bootloader - Custom board with ATMega32u4 having USB issues - Arduino Stack Exchange
GitHub - dmadison/Pro_Micro_USB-A: ATMega32U4 Arduino board from SparkFun, modified to work with a USB-A connector
ATmega32u4 usb powered minimal bootloader and test circuit - Microcontrollers - Arduino Forum
Adafruit ItsyBitsy 32u4 - 5V 16MHz : ID 3677 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Atmega 32u4 Based Generic USB Mouse (Part 1/25)
Tiny USB keyboard with ATMEGA 32u4 - it works! 🥖 John Mueller's randoms
I am working on a USB c powered atmega32u4 based macropad. Will this work? : r/avr
Amazon.com: Diitao 2PACK Pro Micro 5V 16MHz Atmega32U4 Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller Pro Micro Serial Connection with 2-Row Pins Header : Electronics
SparkFun Qwiic Pro Micro - USB-C (ATmega32U4) - DEV-15795 - SparkFun Electronics
1Pcs Micro USB 32U4 Mini USB 32U4 Type-C USB 32U4 ATMEGA32U4 Module - AliExpress
AVR ATmega32U4 USB Development Board – Waiting for Friday
Epi 32U4
ATmega32U4 Pro Micro Controller for Arduino Micro USB 5V 16MHz Replace ATmega328 | eBay
schematics - Connecting USB-C port with ATmega32u4 - Questions - Electrical Engineering Stack Exchange
![Teensy (ATmega32u4 USB dev board) 2.0 [ATmega32u4] : ID 199 : $16.00 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/199-02.jpg "Teensy (ATmega32u4 USB dev board) 2.0 [ATmega32u4] : ID 199 : $16.00 : Adafruit Industries, Unique & fun DIY electronics and kits")
Teensy (ATmega32u4 USB dev board) 2.0 [ATmega32u4] : ID 199 : $16.00 : Adafruit Industries, Unique & fun DIY electronics and kits
Intro | Atmega32u4 Breakout | Adafruit Learning System
Beetle USB ATMEGA32U4 Mini Development Board Module For Arduino Leonardo | eBay
Pololu - 8. The A-Star 32U4 USB interface
Pro Micro (Micro-USB) - 5V/16MHz - Arduino-compatible ATmega32U4 – Keebio
LilyPad Arduino USB - ATmega32U4 Board - DEV-12049 - SparkFun Electronics
USB wiring with ATMega32u4 ok? - Microcontrollers - Arduino Forum
Epi 32U4
USB programming an ATmega32U4 at 3.3V - Project Guidance - Arduino Forum
