Pro Micro Leonardo - 5V/16MHz

The Pro Micro Leonardo is similar to the Pro Mini except with an ATmega32U4 on board. The USB transceiver inside the 32U4 allows us to add USB connectivity on-board and do away with bulky external USB interface.

Pro Micro - 5V/16MHz - DEV-12640 - SparkFun Electronics

Type-c Mini Usb Pro Micro For Arduino Atmega32u4 5v/16mhz Module With 2 Row Pin Header For Leonardo Usb Interface Board - Integrated Circuits - AliExpress

Pro Micro ATmega32U4 5V 16MHz Leonardo Arduino Compatible – Envistia Mall

5pcs ATmega32U4 Pro Micro Controller Board for Arduino Pro Micro USB 5 – eElectronicParts

ATmega32U4 running at 5V/16MHz, The ATmega32U4 chip on the Pro Micro board comes preprogrammed with a bootloader that allows you to upload new code to

OSOYOO Pro Micro Board ATmega32U4 Leonardo 5V/16MHz Module Board Type C Port for Arduino

Arduino Micro Pro ATMEGA32U4 5V/16MHZ

Pro Micro Module with ATmega32U4, 5V, 16MHz, Arduino compatible

Pro Micro 5V 16Mhz Mini Leonardo Micro Controller Development Board For Arduino

flashtree 4pcs Pro Micro Atmega32U4 5V 16MHz Bootloadered IDE Micro US