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Pro Micro/type-c Usb 5v 16mhz Board Module For Arduino/leonardo Atmega32u4-mu Controller Pro-micro Replace Pro Mini - Integrated Circuits - AliExpress

1-10PCS Pro Micro With The Bootloader ATmega32U4 5V/16MHz Module Controller Mega32U4 Leonardo For Arduino - AliExpress

Pro Micro With The Bootloader ATmega32U4 5V/16MHz Module Controller Mega32U4 Leonardo For Arduino - AliExpress

Pro Micro Atmega32u4 5v 16mhz Replace Atmega328 For Arduino Pro Mini With 2 Row Pin Header For Leonardo Mini Usb Interface - Integrated Circuits - AliExpress

Pro Micro ATmega32U4 Micro USB Interface 5V 16MHz Board Module Repalce ATmega328 For Arduino For Leonardo R3 Pro Mini Nano V3.0 - AliExpress

Type-C MINI USB Pro Micro For Arduino ATmega32U4 5V/16MHz Module With 2 Row Pin Header For Leonardo Usb Interface Board - AliExpress

TZT Pro Micro ATmega32U4 5V 16MHz Replace ATmega328 For Arduino Pro Mini With 2 Row Pin Header For Leonardo Mini Usb Interface - AliExpress

TENSTAR ROBOT Pro Micro With the bootloader Black/Blue ATmega32U4 5V/16MHz Module controller Mega32U4 leonardo for arduino - AliExpress

Pro Micro With the bootloader Black/Blue ATmega32U4 5V/16MHz Module controller Mega32U4 leonardo for arduino - AliExpress

OSOYOO Pro Micro 5V/16MHz Module Board with 2 Row pin Header Replace wit Pro Mini for Arduino : Electronics

OSOYOO Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row Pin Header for Arduino Leonardo Replace ATmega328 Pro Mini