1pcs USB ATMEGA32U4 Mini Development Board For Arduino Leonardo: Amazon.com: Industrial & Scientific
Mini USB ATmega32U4 Pro Micro 5V 16MHz Board Module Leonardo ATMega 32U4 Controller Pro-Micro Replace Pro Mini for Arduino : Toys & Games
Pro Micro Atmega32u4, USB, 5V, 16MHz, 100% compatible with Arduino
ATmega32U4 Pro Micro USB 5V 16MHz Board Module for Arduino Leonardo ATMega 32U4 Controller Pro-Micro Replace Pro Mini with Pins: Amazon.com: Industrial & Scientific
Pololu - A-Star 32U4 Mini LV
Development kit Beetle ATmega32u4 | GM electronic COM
Teensy v2.0 USB Board - ATmega32U4 AVR - Watterott electronic
ATmega32u4 usb powered minimal bootloader and test circuit - Microcontrollers - Arduino Forum
CJMCU-Beetle Leonardo USB ATMEGA32U4 Development Board for Arduino - Free shipping - DealExtreme
CJMCU-32 Virtual Keyboard Badusb For Leonardo USB ATMEGA32U4
PRO Micro Atmega32u4 16MHz 5V Leonardo Micro USB - China Arduino Leonardo and Development Board price | Made-in-China.com
Pololu - A-Star 32U4 Micro
Qwiic Pro Micro USB-C (ATmega32U4) - SparkFun | Mouser
An Arduino Pro Micro With USB-C | Hackaday
Pololu - A-Star 32U4 Micro
Mini USB ATmega32U4 Pro Micro 5V 16MHz Board Module For Leonardo ATMega 32U4 Controller Pro Micro Replace Pro Mini For Arduino|Integrated Circuits| - AliExpress
Amazon.com: HiLetgo 3pcs Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro USB Pro Micro Development Board Microcontroller Compatible to Arduino Pro Micro Serial Connection with Pin Header : 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
Amazon.com: Mini USB ATmega32U4 Pro Micro 5V 16MHz Board Module for Arduino/Leonardo ATMega 32U4 Controller Pro-Micro Replace Pro Mini : Electronics
Elite-C V4 - USB-C Pro Micro Replacement ATmega32u4 – Keebio
Mini USB ATmega32U4 Pro Micro 5V 16MHz Board Module For Arduino Leonardo ATMega 32U4 Controller Pro Micro Replace Pro Mini|pro micro|pro minimodule 5v - AliExpress
SparkFun Qwiic Pro Micro - USB-C (ATmega32U4) - DEV-15795 - SparkFun Electronics
LilyPad Arduino USB - ATmega32U4 Board - DEV-12049 - SparkFun Electronics
