Epi 32U4
Pololu - 8. The A-Star 32U4 USB interface
microcontroller - How can I program an Atmega32u4 over USB with this schematic? - Electrical Engineering Stack Exchange
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
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
ATMEGA32u4 USB - Microcontrollers - Arduino Forum
Adafruit ItsyBitsy 32u4 - 5V 16MHz (AF-3677) USB bootloader AVR109 compatible (same as Flora, Feather 32u4,
SparkFun Qwiic Pro Micro - USB-C (ATmega32U4) - DEV-15795 - SparkFun Electronics
Intro | Atmega32u4 Breakout | Adafruit Learning System
USB programming an ATmega32U4 at 3.3V - Project Guidance - Arduino Forum
Epi 32U4 - An Arduino-compatible USB-C development board with ATmega32U4 MCU (Crowdfunding) - CNX Software
Beetle USB ATMEGA32U4 Mini Development Board Module For Arduino Leonardo | eBay
Epi 32U4
PCB with atmega32u4 au "Unknown USB (Device Descriptor Request Failed)" : r/AskElectronics
Amazon.com: Pro Micro ATmega32U4 5V 16MHz USB Type C Development Module Board with 2 Row pin Header Compatible arduino Leonardo Replace ATmega328 Pro Mini… : Electronics
bootloader - Custom board with ATMega32u4 having USB issues - Arduino Stack Exchange
I am working on a USB c powered atmega32u4 based macropad. Will this work? : r/avr
LilyPad Arduino USB - ATmega32U4 Board - DEV-12049 - SparkFun Electronics
MICRO/MINI/TYPE-C USB ATMEGA32U4 Module 5V 16MHz Board For Arduino ATMEGA32U4-AU/MU Controller Pro-Micro Replace Pro Mini - AliExpress
schematics - Connecting USB-C port with ATmega32u4 - Questions - Electrical Engineering Stack Exchange
ATmega32U4 Pro Micro Controller for Arduino Micro USB 5V 16MHz Replace ATmega328 | eBay
AVR ATmega32U4 USB Development Board – Waiting for Friday
1Pcs Micro USB 32U4 Mini USB 32U4 Type-C USB 32U4 ATMEGA32U4 Module - AliExpress
Epi 32U4
SparkFun Qwiic Pro Micro - USB-C (ATmega32U4) - DEV-15795 - SparkFun Electronics
ATmega32u4 usb powered minimal bootloader and test circuit - Microcontrollers - Arduino Forum
