Pro Micro - 5V/16MHz - Atmega32u4 module - SparkFun DEV-12640 from Arduino compatible boards - SparkFun category available to buy in a robotic shop Botland. Very fast shipping!
Pro Micro - USB-C - 5V/16MHz - ATmega32U4 - SparkFun DEV-15795
OSOYOO Pro Micro 5V/16MHz Module Board with 2 Row pin
HiLetgo 3pcs Pro Micro Atmega32U4 5V 16MHz
Pro Micro ATmega32U4 5V 16MHz - MECHATRONX
Pro Micro 5V/16MHz Arduino Compatible Microcontroller - RobotShop
Arduino MKR Zero module ABX00012 - SAMD21-with Botland - Robotic Shop
Pro Micro Leonardo 32u4 - 5V/16MHz
Arduino Micro — Arduino Online Shop
📦 Get module controller at a bigger saving. What's more, the module controller can be applied to a wide range of electronic products.
TENSTAR ROBOT Pro Micro With the Bootloader Black/Blue ATmega32U4 5V/16MHz Module Controller Mega32U4 Leonardo for Arduino
The Pro Micro module is equipped with an Atmel AVR ATmega32U4 microcontroller with an integrated USB controller. The module is compatible with Arduino
Pro Micro Module with ATmega32U4, 5V, 16MHz, Arduino compatible