Monday Experiment: Bootloading an ATmega32u4 with Arduino | Murchlabs
Arduino Micro USB Microcontroller
SparkFun Qwiic Pro Micro - USB-C (ATmega32U4) - DEV-15795 - SparkFun Electronics
Epi 32U4 | Crowd Supply
Pro Micro (USB-C Version) - 5V/16MHz - Arduino-compatible ATmega32U4 – Keebio
Pro Micro ATmega32U4 5V 16MHz USB-C Development Board
microcontroller - How can I program an Atmega32u4 over USB with this schematic? - Electrical Engineering Stack Exchange
USB Serial firmware for ATmega32U4 | A Mutable Log
Pro Micro Beetle Keyboard BadUSB USB ATMEGA32U4 Mini Development Expan – Aideepen
Amazon.com: KEYESTUDIO Pro Micro Atmega32U4 5V with USB Cable for Arduino Projects 1PC : Electronics
PCB/Schematic Review - ATmega32U4 as USB MIDI Controller : r/PrintedCircuitBoard
Expansion Keyboard USB ATMEGA32U4 Virtual Keyboard Badusb Module DM Micro Board Black
ATmega32U4 Pro Micro Controller for Arduino Micro USB or USB-C 5V 16MHz | eBay
ATmega32U4 Pro Micro Controller for Arduino Micro USB or USB-C 5V 16MHz – ASA College: Florida
Amazon.com: OSOYOO Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Replace with ATmega328 Pro Mini for Arduino : Electronics
![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
Elite-C V4 - USB-C Pro Micro Replacement ATmega32u4 – Keebio
Qwiic Pro Micro USB-C (ATmega32U4) - SparkFun | Mouser
ATmega32u4 usb powered minimal bootloader and test circuit - Microcontrollers - Arduino Forum
